| 12/30/06 | Arizona Diamondbacks | Signed OF Dee Brown, RHP D.J. Carrasco and SS Ronnie Merrill to minor league contracts |
| 12/30/06 | Florida Marlins | Signed INF Aaron Boone to a one-year contract |
| 12/30/06 | San Francisco Giants | Signed LHP Barry Zito to a seven-year contract with an option for 2014 |
| 12/28/06 | Texas Rangers | Signed C Guillermo Quiroz to a one-year contract; Signed RHP Mike Wood and RHP Willie Eyre to minor league contracts. |
| 12/27/06 | Chicago White Sox | Signed INF Alex Cintron to a one-year contract (avoids arbitration) |
| 12/27/06 | Colorado Rockies | Signed RHP Danny Graves to a minor league contract |
| 12/27/06 | New York Yankees | Signed LHP Kei Igawa to a five-year contract |
| 12/26/06 | Los Angeles Angels | Signed INF Shea Hillenbrand to a one-year contract with an option for 2008 |
| 12/24/06 | Cleveland Indians | Signed 2B Luis Rivas to a minor league contract |
| 12/24/06 | Kansas City Royals | Sent C Paul Phillips outright to the minors |
| 12/24/06 | Milwaukee Brewers | Signed RHP Jeff Suppan to a four-year contract with an option for 2011 |
| 12/24/06 | Seattle Mariners | Signed 3B Sean Burroughs to a minor league contract |
| 12/24/06 | Yomiuri Giants (NPB) | Signed OF Damon Hollins to a one-year contract |
| 12/23/06 | Chicago White Sox | Acquired LHP John Danks and RHPs Nick Masset and Jacob Rasner in exchange for RHP Brandon McCarthy and OF David Paisano |
| 12/23/06 | Texas Rangers | Acquired RHP Brandon McCarthy and OF David Paisano in exchange for LHP John Danks and RHPs Nick Masset and Jacob Rasner |
| 12/22/06 | Boston Red Sox | Signed RHP Runelvys Hernandez to a minor league contract |
| 12/22/06 | Houston Astros | Signed INF Eric Bruntlett to a one-year contract |
| 12/22/06 | New York Yankees | Signed 1B Juan Miranda to a four-year contract |
| 12/22/06 | Tampa Bay Devil Rays | Signed RHP Doug Waechter to a minor league contract |
| 12/22/06 | Texas Rangers | Signed OF Todd Donovan and INF Jared Sandberg to minor league contracts |
| 12/21/06 | Boston Red Sox | Signed RHP Adam Bernero to a minor league contract |
| 12/21/06 | Cincinnati Reds | Acquired INF/OF Jeff Conine from the Philadelphia Phillies in exchange for 3B Brad Key and OF Javon Moran; Designated IF Brendan Harris for assignment |
| 12/21/06 | New York Yankees | Signed LHP Andy Pettitte to a one-year contract with an option for 2008 |
| 12/21/06 | Oakland Athletics | Signed 1B/DH Erubiel Durazo and LHP Derek Thompson to minor league contracts; named Tye Waller first base coach |
| 12/21/06 | Philadelphia Phillies | Traded OF Jeff Conine to Cincinnati in exchange for OF Javon Moran and 3B Brad Key; signed C Rod Barajas to a one-year contract with an option for 2008 |
| 12/21/06 | Tampa Bay Devil Rays | Signed OF Jason Grabowski and RHPs Gary Glover and Al Reyes to minor league contracts |
| 12/20/06 | Atlanta Braves | Signed INF/OF Chris Woodward to a one-year contract |
| 12/20/06 | Boston Red Sox | Signed RHP Travis Hughes, C Alberto Castillo, INF Jeff Bailey, INF Luis Jimenez, INF Joe McEwing, INF Ed Rogers, INF Bobby Scales and OF Kerry Robinson to minor league contracts |
| 12/20/06 | Chicago Cubs | Named Randy Bush assistant general manager |
| 12/20/06 | Florida Marlins | Signed 3B Joe Dillon to a minor league contract |
| 12/20/06 | Kansas City Royals | Signed RHP David Riske to a one-year deal with an option for 2008; signed RHPs Brandon Duckworth and Zach Day to minor league contracts |
| 12/20/06 | Minnesota Twins | Re-signed OF Rondell White to a one-year contract with an option for 2008 |
| 12/20/06 | Pittsburgh Pirates | Signed C Einar Diaz to a minor league contract |
| 12/20/06 | San Diego Padres | Signed 2B Marcus Giles to a one-year contract with an option for 2008; re-signed RHP Doug Brocail to a one-year contract; claimed INF Craig Stansberry off outright waivers from the Pittsburgh Pirates |
| 12/20/06 | Washington Nationals | Signed C/1B Robert Fick to a minor league contract |
| 12/19/06 | Chicago Cubs | Signed RHP Jason Marquis to a three-year contract |
| 12/19/06 | Houston Astros | Named David Gottfried assistant general manager of baseball operations |
| 12/19/06 | Minnesota Twins | Announced the retirement of RHP Brad Radke |
| 12/19/06 | New York Mets | Signed RHP Clint Nageotte, RHP Jorge Vasquez, RHP Lino Urdaneta, LHP William Collazo and OF Raymond Ambres to Minor League contracts |
| 12/19/06 | Philadelphia Phillies | Signed OF Jayson Werth to a one-year contract |
| 12/19/06 | Pittsburgh Pirates | Signed RHP Masumi Kuwata to a minor league contract |
| 12/19/06 | San Francisco Giants | Signed 1B/OF Ryan Klesko to a one-year contract |
| 12/19/06 | Texas Rangers | Signed RHP Eric Gagne to a one-year contract |
| 12/18/06 | Baltimore Orioles | Signed INF Chris Gomez to a one-year contract |
| 12/18/06 | Detroit Tigers | Signed RHP Jeremy Bonderman to a four-year contract extension |
| 12/18/06 | Pittsburgh Pirates | Signed RHP Yoslan Herrera to a three-year contract; Designated INF Craig Stansberry for assignment |
| 12/18/06 | Seattle Mariners | Acquired INF Jose Vidro and cash considerations from the Washington Nationals in exchange for RHP Emiliano Fruto and OF Chris Snelling. |
| 12/18/06 | St. Louis Cardinals | Signed INF Tagg Bozied, INF Edgar Gonzalez, OF Ryan Ludwick, OF Miguel Negron, C Ryan Christianson, C Danilo Sanchez, RHP Mike Smith and RHP Kelvin Jimenez to minor league contracts |
| 12/18/06 | Toronto Blue Jays | Signed OF Vernon Wells to a seven-year contract extension |
| 12/18/06 | Washington Nationals | Acquired RHP Emiliano Fruto and OF Chris Snelling from the Mariners in exchange for 2B Jose Vidro and cash considerations; sent C Brandon Harper outright to Triple-A Columbus; signed LHP Ray King and RHP Jason Simontacchi to minor league contracts |
| 12/17/06 | Minnesota Twins | Signed INF Luis Rodriguez to a one-year contract |
| 12/17/06 | Chicago White Sox | Signed C Toby Hall to a two-year contract with an option for 2009 |
| 12/16/06 | Chicago White Sox | Acquired LHP Andrew Sisco in exchange for 1B Ross Gload |
| 12/16/06 | Kansas City Royals | Acquired 1B Ross Gload from the White Sox in exchange for LHP Andrew Sisco |
| 12/15/06 | Boston Red Sox | Acquired RHP Brendan Donnelly from the Angels in exchange for LHP Phil Seibel; Signed LHP J.C. Romero and C Doug Mirabelli to one-year contracts |
| 12/15/06 | Chicago Cubs | Signed LHP Ted Lilly to a four-year contract; signed 1B Daryle Ward to a one-year contract with an option for 2008 |
| 12/15/06 | Chicago White Sox | Purchased the contract of INF Kevin Bass from Schaumburg of the Northern League (Independent) |
| 12/15/06 | Detroit Tigers | Signed C Dane Sardinha, LHP Felix Heredia and RHP Dennis Tankersley to minor league contracts |
| 12/15/06 | Houston Astros | Announced the retirement of 1B Jeff Bagwell |
| 12/15/06 | Kansas City Royals | Designated C Paul Phillips for assignment |
| 12/15/06 | Los Angeles Angles | Acquired LHP Phil Seibel from Boston in exchange for RHP Brendan Donnelly |
| 12/15/06 | Milwaukee Brewers | Signed RHP Chris Oxspring to a minor league contract |
| 12/15/06 | Philadelphia Phillies | Purchased the contract of OF Greg Jacobs from Kansas City of the Northern League (Independent) |
| 12/15/06 | Tampa Bay Devil Rays | Signed INF Akinori Iwamura to a three-year contract with a one-year club option for 2010 |
| 12/14/06 | Atlanta Braves | Signed RHP Buddy Carlyle, OF Doug Clark, C Iker Franco and C Corky Miller to minor league contracts |
| 12/14/06 | Boston Red Sox | Signed RHP Daisuke Matsuzaka to a six-year contract |
| 12/14/06 | Cincinnati Reds | MLB nullified the waiver claim for LHP Bobby Livingston by the Tampa Bay Devil Rays and the subsequent trade to the Philadelphia Phillies and assigned him to the Cincinnati Reds |
| 12/14/06 | Colorado Rockies | Signed LHP Mike Gallo, Edwin Bellorin, RHP Bob Keppel, C Geronimo Gil and RHP Oscar Rivera to minor league contracts |
| 12/14/06 | Detroit Tigers | Signed RHP Jason Karnuth to a minor league contract |
| 12/14/06 | Philadelphia Phillies | MLB nullified the waiver claim for LHP Bobby Livingston by the Tampa Bay Devil Rays and the subsequent trade to the Philadelphia Phillies and assigned him to the Cincinnati Reds |
| 12/14/06 | Pittsburgh Pirates | Signed RHPs John Wasdin, Kip Bouknight, Allan Simpson and Jim Brower, C David Parrish, INFs Eddy Garabito and Don Kelly, OFs Michael Ryan and Chris Aguila to minor league contracts |
| 12/14/06 | San Francisco Giants | Signed LHP Damian Moss to a minor league contract |
| 12/14/06 | Seattle Mariners | Signed RHP Miguel Batista to a three-year contract; MLB nullified the waiver claim for LHP Bobby Livingston by the Tampa Bay Devil Rays and the subsequent trade to the Philadelphia Phillies and assigned him to the Cincinnati Reds |
| 12/14/06 | Tampa Bay Devil Rays | MLB nullified the waiver claim for LHP Bobby Livingston by the Tampa Bay Devil Rays and the subsequent trade to the Philadelphia Phillies and assigned him to the Cincinnati Reds |
| 12/14/06 | Washington Nationals | Signed RHPs Chris Schroder and Chris Booker, LHP Mike Hinckley, OF Kory Casto and C Brandon Harper to one-year contracts (avoids arbitration) |
| 12/14/06 | Yokohama Bay Stars (NPB) | Signed RHPs Jose Diaz and Scott Chiasson |
| 12/13/06 | Chicago Cubs | Signed RHP Adam Harben to a minor league contract |
| 12/13/06 | Cleveland Indians | Signed RHP Jeff Harris to a minor league contract |
| 12/13/06 | Colorado Rockies | Signed LHP Tom Martin to a one-year contract; signed C Yorvit Torrealba to a one-year contract (avoids arbitration) |
| 12/13/06 | Houston Astros | Signed RHP Dave Borkowski to a one-year contract (avoids arbitration) |
| 12/13/06 | Minnesota Twins | Signed INF Jeff Cirillo to a one-year contract |
| 12/13/06 | Toronto Blue Jays | Signed INF John McDonald to a one-year contract (avoids arbitration) |
| 12/12/06 | Atlanta Braves | Non-tendered 2B Marcus Giles and RHP Chris Reitsma making them free agents |
| 12/12/06 | Baltimore Orioles | Non-tendered OF David Newhan and RHPs Aaron Rakers and Todd Williams |
| 12/12/06 | Boston Red Sox | Announced the retirement of OF Gabe Kapler and named him manager of Greenville of the South Atlantic League (A) |
| 12/12/06 | Chicago Cubs | Non-tendered C Jose Reyes and RHP Adam Harben |
| 12/12/06 | Chicago White Sox | Non-tendered RHP Eduardo Sierra, making him a free agent |
| 12/12/06 | Cincinnati Reds | Re-signed RHP David Weathers to a two-year contract; designated LHP Brandon Claussen for assignment; non-tendered Claussen and C Miguel Perez, making them both free agents |
| 12/12/06 | Colorado Rockies | Acquired RHPs Taylor Buchholz and Jason Hirsh and OF Willy Tavaras in exchange for RHPs Jason Jennings and Miguel Asencio; tendered contacts to RHP Josh Fogg, LHP Jeremy Guthrie, 2B Jamey Carrol, OF Cory Sullivan and C Yorvit Torrealba; non-tendered RHP Chin-hui Tsao making him a free agent |
| 12/12/06 | Detroit Tigers | Signed RHP Jose Mesa to a one-year contract; non-tendered OF Alexis Gomez making him a free agent |
| 12/12/06 | Houston Astros | Acquired RHPs Jason Jennings and Miguel Asencio from the Rockies in exchange for RHPs Taylor Buchholz and Jason Hirsh and OF Willy Tavaras |
| 12/12/06 | Kansas City Royals | Designated RHP Brandon Duckworth for assignment; non-tendered Duckworth and RHP Scott Dohmann, making them both free agents |
| 12/12/06 | Los Angeles Angels | Non-tendered RHP Jason Bulger making him a free agent |
| 12/12/06 | Los Angeles Dodgers | Tendered contracts to LHPs Mark Hendrickson and Joe Beimel; declined to tender contracts to OF Jayson Werth or C Toby Hall, making them free agents; announced RHP Franquelis Osoria was claimed off waivers by Pittsburgh |
| 12/12/06 | Minnesota Twins | Non-tendered RHP Willie Eyre and INF Luis Rodriguez, making them free agents |
| 12/12/06 | New York Mets | Re-signed RHP Dave Williams on a one-year contract (avoids arbitration). Declined to tender a contract offer to RHP Victor Zambrano |
| 12/12/06 | New York Yankees | Non-tendered OF Aaron Guiel |
| 12/12/06 | Oakland Athletics | Non-tendered RHP Jerome Williams, making him a free agent |
| 12/12/06 | Philadelphia Phillies | Acquired LHP Bobby Livingston from Tampa Bay in exchange for cash |
| 12/12/06 | Pittsburgh Pirates | Claimed RHP Franquelis Osoria off waivers from the Los Angeles Dodgers |
| 12/12/06 | San Diego Padres | Signed OF Jose Cruz Jr. to a one-year contract; non-tendered OF Jon Knott making him a free agent |
| 12/12/06 | Seattle Mariners | Non-tendered RHP Joel Piniero making him a free agent; LHP Bobby Livingston was claimed off waivers by Tampa Bay |
| 12/12/06 | St. Louis Cardinals | Re-signed INF Aaron Miles to a one-year contract (avoids arbitration); tendered contracts to LHP Randy Flores and OF So Taguchi; non-tendered RHP Jorge Sosa and OF Rick Ankiel |
| 12/12/06 | Tampa Bay Devil Rays | Non-tendered OF Damon Hollins, making him a free agent; acquired LHP Bobby Livingston off waivers from the Mariners and traded him to the Phillies for cash |
| 12/12/06 | Texas Rangers | Signed OF Kenny Lofton to a one-year contract; tendered contracts to OF Brad Wilkerson and RHPs Akinori Otsuka, Rick Bauer and Joaquin Benoit; non-tendered RHP Mike Wood, making him a free agent |
| 12/12/06 | Toronto Blue Jays | Signed OF Matt Stairs to a minor league contract and INF Jason Smith to a one-year contract (avoids arbitration) |
| 12/11/06 | Detroit Tigers | Re-signed 3B Brandon Inge to a four-year contract (avoids arbitration) |
| 12/11/06 | Los Angeles Angels | Signed LHP Darren Oliver to a one-year contract with an option for 2008 |
| 12/11/06 | New York Yankees | Named Don Mattingly bench coach and Kevin Long hitting coach |
| 12/11/06 | Philadelphia Phillies | Signed Cs Dusty Wathan and Jason HIll, 1B Randall Simon, INF Andrew Beattie, OF Ron Calloway, RHPs Kane Davis, Jeff Farnsworth Joe Bisenius, Ryan Cameron and John Ennis and LHPs Jim Crowell and Brian Mazone to a minor league contracts |
| 12/10/06 | San Francisco Giants | Signed RHP Tyler Walker to minor league contract |
| 12/9/06 | Atlanta Braves | Signed INF/OF Willie Harris to a minor league contract |
| 12/9/06 | Baltimore Orioles | Signed OF Jay Payton to a two-year contract |
| 12/8/06 | Chicago White Sox | Signed RHP Mike MacDougal to a three-year contract with an option for 2010 (avoids arbitration) |
| 12/8/06 | Detroit Tigers | Signed OF Brandon Watson to a minor league contract; re-signed 3B Brandon Inge to a four-year contract (avoids arbitration) |
| 12/8/06 | Florida Marlins | Signed OF Alex Sanchez to a minor league contract |
| 12/8/06 | Houston Astros | Re-signed RHP Brandon Backe to a one-year contract (avoids arbitration) |
| 12/8/06 | Kansas City Royals | Signed LHP John Bale to a two-year contract; signed RHP Octavio Dotel to a one-year contract; designated RHP Scott Dohmann for assignment |
| 12/8/06 | Los Angeles Dodgers | Signed RHP Jason Schmidt to a three-year contract; signed OF Luis Gonzalez to a one-year contract |
| 12/8/06 | Minnesota Twins | Signed 1B Ken Harvey and LHPs Mike Venefro and Carmen Cali to a minor league contracts |
| 12/8/06 | Pittsburgh Pirates | Signed RHP Jim Brower to a minor league contract |
| 12/8/06 | San Diego Padres | Announced INF Todd Walker has accepted arbitration |
| 12/8/06 | San Francisco Giants | Re-signed LHP Steve Kline to a two-year contract; signed RHP David Cortes to a minor league contract |
| 12/8/06 | St. Louis Cardinals | Signed RHP Russ Springer to a one-year contract |
| 12/8/06 | Texas Rangers | Signed OF Marlon Byrd to a one-year contract |
| 12/7/06 | Atlanta Braves | Acquired RHP Rafael Soriano from the Mariners in exchange for LHP Horacio Ramirez |
| 12/7/06 | Baltimore Orioles | Selected RHP Alfredo Simon from the Rangers in the major league Rule V draft; traded Simon to the Phillies in exchange for C Adam Denochie and cash; designated RHP Aaron Rakers for assignment |
| 12/7/06 | Boston Red Sox | Selected RHP Nick Debarr from the Devil Rays in the major league Rule V draft |
| 12/7/06 | Chicago Cubs | Selected OF Josh Hamilton from the Devil Rays in the major league Rule V draft; traded Hamilton to the Reds in exchange for cash; selected RHP Jim Henderson from the Nationals in the AAA Rule V draft; acquired minor league RHP Kevin Hart to complete the Freddy Bynum trade |
| 12/7/06 | Chicago White Sox | Acquired LHP Gio Gonzalez from the Phillies as the player to be named in the Gavin Floyd-Freddy Garcia deal |
| 12/7/06 | Cincinnati Reds | Selected RHP Levi Burton from the Atletics in the major league Rule V draft; acquired OF Josh Hamilton from the Cubs in exchange for cash; selected LHP Francisco Mateo from the Blue Jays in the AAA Rule V draft; selected RHP Nick Moran from the Devil Rays in the AA Rule V draft |
| 12/7/06 | Colorado Rockies | Selected C Salomon Manriquez from the Nationals in the AAA Rule V draft; traded Manriquez to Texas in exchange for cash |
| 12/7/06 | Detroit Tigers | Acquired LHP Edward Campusano from the Brewers in exchange for cash |
| 12/7/06 | Florida Marlins | Selected SS John Labandeira from the Nationals in the AAA Rule V draft; selected RHP Cristhian Martinez from the Tigers in the AAA Rule V draft; selected OF Lorenzo Scott Jr. from the Orioles in the AAA Rule V draft |
| 12/7/06 | Houston Astros | Selected LHP Lincoln Holdzkom from the Cubs in the major league Rule V draft |
| 12/7/06 | Kansas City Royals | Selected RHP Joakim Soria from the Padres in the major league Rule V draft; released RHP Runelvys Hernandez; signed RHP Gil Meche to a five-year contract; selected 2B Richard Lewis from the Cubs in the AAA Rule V draft |
| 12/7/06 | Milwaukee Brewers | Selected LHP Edward Campusano from the Cubs in the major league Rule V draft; traded Campusano to the Tigers in exchange for cash; selected 1B Michael Carlin from the Pirates in the AAA Rule V draft; announced INF Tony Graffanino has accepted arbitration |
| 12/7/06 | Minnesota Twins | Selected SS Alejandro Machado from the Nationals in the major league Rule V draft; selected RHP Jesse Floyd from the Giants in the AAA Rule V draft; selected 3B Brian Buscher from the Giants in the AAA Rule V draft |
| 12/7/06 | New York Mets | Selected LHP Ricardo Morales from the Nationals in the AAA Rule V draft; re-signed RHP Guillermo Mota to a two-year contract |
| 12/7/06 | New York Yankees | Selected 1B Josh Phelps from the Orioles in the major league Rule V draft |
| 12/7/06 | Oakland Athletics | Selected LHP Jay Marshall from the White Sox in the major league Rule V draft; acquired OF Ryan Goleski in exchange for cash; selected RHP Andrew Shipman from the Cubs in the AAA rule V draft; selected RHP Joshua Alliston from the Brewers in the AAA Rule V draft |
| 12/7/06 | Philadelphia Phillies | Selected C Adam Denochie from the Royals in the major league Rule V draft; traded Denochie to the Orioles along with cash in exchange for RHP Alfredo Simon; selected RHP Jim Ed Warden from the Indians in the major league Rule V draft; selected C Ryan Budde from the Angels in the major league Rule V draft; Sent LHP Gio Gonzalez to the White Sox as the player to be named in the Gavin Floyd-Freddy Garcia deal; selected OF Victor Hall from the Yankees in the AAA Rule V draft |
| 12/7/06 | Pittsburgh Pirates | Selected RHP Sean White from the Braves in the major league Rule V draft; traded White to the Mariners in exchange for cash; released INF Yurendell DeCaster; selected RHP Moises Robles from the Mets in the AAA Rule V draft; selected RHP Kevin Cave from the Marlins in the AA Rule V draft |
| 12/7/06 | San Diego Padres | Selected RHP Kevin Cameron from the Twins in the major league Rule V draft; selected 2B Brandon Powel from the Nationals in the AAA Rule V draft |
| 12/7/06 | San Francisco Giants | Selected SS Trey Webb from the Nationals in the AAA Rule V draft; announced the retirement of 1B J.T. Snow |
| 12/7/06 | Seattle Mariners | Acquired LHP Horacio Ramirez from the Braves in exchange for RHP Rafael Soriano; acquired RHP Sean White from the Pittsburgh Pirates in exchange for cash |
| 12/7/06 | St. Louis Cardinals | Selected C Omar Falcon from the Pirates in the AAA Rule V draft; selected OF Jose Contreras from the Nationals in the AAA Rule V draft |
| 12/7/06 | Tampa Bay Devil Rays | Selected OF Ryan Goleski from the Indians in the major league Rule V draft; traded Goleski to the Athletics for cash; released RHP Travis Harper; selected OF Erold Andrus from the Twins in the AAA Rule V draft; selected RHP Paul Moviel from the White Sox in the AA Rule V draft |
| 12/7/06 | Texas Rangers | Selected SS Johany Abreu from the Giants in the AAA Rule V draft; selected RHP Kendy Bastita from the Orioles in the AAA Rule V draft; selected C Brian Munhall from the Giants in the AAA Rule V draft; acquired C Salomon Manriquez from Colorado in exchange for cash |
| 12/7/06 | Toronto Blue Jays | Selected SS Jason Smith from the Cubs in the major league Rule V draft |
| 12/7/06 | Washington Nationals | Selected C Jesus Flores from the Mets in the major league Rule V draft; selected RHP Levale Speigner from the Twins in the major league Rule V draft; selected LHP Justin Jones from the Twins in the AAA Rule V draft; |
| 12/6/06 | Baltimore Orioles | Signed C Paul Bako to a one-year contract; acquired IF-OF Freddie Bynum from the Chicago Cubs in exchange for a player to be named later |
| 12/6/06 | Chicago White Sox | Acquired RHP Gavin Floyd and a player to be named from Philadelphia in exchange for RHP Freddy Garcia |
| 12/6/06 | Cleveland Indians | Signed OF David Dellucci to a three-year contract; signed RHP Joe Borowski to a one-year contract wth an option for 2008 |
| 12/6/06 | Kansas City Royals | Acquired RHP Brian Bannister in exchange for RHP Ambiorix Burgos from the New York Mets |
| 12/6/06 | Los Angeles Dodgers | Signed C Mike Lieberthal to a one-year contract with an option for 2008 |
| 12/6/06 | New York Mets | Acquired RHP Ambiorix Burgos in exchange for RHP Brian Bannister from the Kansas City Royals; named Howard Johnson first base coach and Sandy Alomar Sr. third base coach |
| 12/6/06 | Oakland Athletics | Signed LHP Alan Embree to a two-year contract with an option for 2009; signed C/DH Mike Piazza to a one-year contact; released RHP Juan Dominguez |
| 12/6/06 | Philadelphia Phillies | Acquired RHP Freddy Garcia from the Chicago White Sox in exchange for RHP Gavin Floyd and a player to be named later |
| 12/6/06 | San Francisco Giants | Signed C Bengie Molina to a three-year contract |
| 12/5/06 | Boston Red Sox | Signed SS Julio Lugo to a four-year contract |
| 12/5/06 | Chicago White Sox | Signed INF/OF Pablo Ozuna to a one-year contract (avoids arbitration) |
| 12/5/06 | Kansas City Royals | Signed Cs Cody Clark, Jared Price and Damaso Espino, 1B Graham Koonce , INFs Luis Castillo, Justin Gemoll, Omar Pena and Mike Stodolka, OFs Adam Greenberg and Onil Joseph, RHPs Roberto Giron, Matt Wright, Dewon Brazelton, Barry Armitage, Cody Smith, Leoncio Estrella, Arthur Santos and Martin Vargas and LHPs Wayne Franklin, Jason Cromer, Ed Yarnell to minor league contracts |
| 12/5/06 | Los Angeles Dodgers | Signed RHP Takashi Saito to a one-year contract |
| 12/5/06 | San Diego Padres | Signed RHP Greg Maddux to a one-year contract with an option for 2008 |
| 12/4/06 | New York Yankees | Signed C Raul Chavez to a minor league contract; Agreed to terms with Ron Guidry, pitching coach; Larry Bowa, third base coach; Tony Pena, first base coach; and Joe Kerrigan, bullpen coach; on one-year contracts |
| 12/4/06 | Oakland Athletics | Named Ty Van Burkleo hitting coach |
| 12/4/06 | San Francisco Giants | Signed INF Rich Aurilia to a two-year contract; re-signed 3B Pedro Feliz to a one-year contract |
| 12/4/06 | Seattle Mariners | Signed OFJose Guillen to a one-year contract with an option for 2008; designated LHP Bobby Livingstone for assignment |
| 12/4/06 | St. Louis Cardinals | Signed RHP Chris Carpenter to a five-year extension with an option for 2008 |
| 12/4/06 | Texas Rangers | Re-signed RHP Vincente Padilla to a three-year contract with an option for 2010 |
| 12/3/06 | Atlanta Braves | Signed RHP Tanyon Sturtze to a one-year contract |
| 12/2/06 | Baltimore Orioles | Signed 1B Kevin Millar to a one-year contact with an option for 2008; Sent RHPs Brian Finch and Cory Morris outright to Ottawa of the International League (AAA) |
| 12/2/06 | Cleveland Indians | Signed RHP Roberto Hernandez and LHP Aaron Fultz to a one-year contract with options for 2008 |
| 12/2/06 | Colorado Rockies | Signed RHP LaTroy Hawkins to a one-year contract with an option for 2008 |
| 12/2/06 | San Francisco Giants | Signed OF Dave Roberts to a three-year contract |
| 12/1/06 | Minnesota Twins | Sent OF Josh Rabe outright to Rochester (AAA) |
| 12/1/06 | Arizona Diamondbacks | Offered arbitration to RHP Miguel Batista; declined to offer arbitration to OF Luis Gonzalez |
| 12/1/06 | Atlanta Braves | Declined to offer arbitration to C Todd Pratt, 1B Daryle Ward, OF Brian Jordan and RHP John Thomson |
| 12/1/06 | Baltimore Orioles | Declined to offer arbitration to C Chris Widger, 1B Kevin Millar, SS Chris Gomez, 3B Fernando Tatis, RHP LaTroy Hawkins and LHP Bruce Chen |
| 12/1/06 | Boston Red Sox | Offered arbitration to RHP Keith Folke; declined to offer arbitration to C Doug Mirabelli, 2B Mark Loretta and OFs Gabe Kapler and Trot Nixon |
| 12/1/06 | Chicago Cubs | Declined to offer arbitration to 1B John Mabry |
| 12/1/06 | Chicago White Sox | Signed OF Scott Podsednik to a one-year contract (avoids arbitration); declined to offer arbitration to C Sandy Alomar Jr. and RHPs Dustin Hermanson, Jeff Nelson and David Riske |
| 12/1/06 | Cincinnati Reds | Offered arbitration to 3B Rich Aurilia and LHP Scott Schoeneweis; declined to offer arbitration to OF Todd Hollandsworth, RHPs Ryan Franklin, Jason Johnson, David Weathers and Paul Wilson and LHPs Eddie Guardadao and Kent Mercker |
| 12/1/06 | Cleveland Indians | Declined to offer arbitration to 2B Lou Merloni and 3B Aaron Boone |
| 12/1/06 | Colorado Rockies | Signed RHP Bobby Keppel and C's Edwin Bellorin and Geronimo Gil to minor league contracts; declined to offer arbitration to 3B Vinny Castilla, RHPs Mike DeJean and Jose Mesa and LHPs Ray King and Tom Martin |
| 12/1/06 | Detroit Tigers | Declined to offer arbitration to OF Matt Stairs and RHP Troy Percival |
| 12/1/06 | Florida Marlins | Declined to offer arbitration to RHPs Joe Borowski, Matt Herges and Brian Moehler |
| 12/1/06 | Houston Astros | Declined to offer arbitration to 1B Jeff Bagwell, 3B Aubrey Huff, LHP Andy Pettitte and RHPs Roger Clemens and Russ Springer |
| 12/1/06 | Kansas City Royals | Declined to offer arbitration to C Paul Bako, 1B Doug Mientiewicz and LHP Mark Redman |
| 12/1/06 | Los Angeles Angels | Declined to offer arbitration to OF Darin Erstad and LHP J.C. Romero |
| 12/1/06 | Los Angeles Dodgers | Offered arbitration to SS Julio Lugo; declined to offer arbitration to C Einar Diaz, OFs J.D. Drew and Kenny Lofton and RHPs Eric Gagne, Greg Maddux and Aaron Sele |
| 12/1/06 | Milwaukee Brewers | Offered arbitration to 2B Tony Graffanino; declined to offer arbitration to 3Bs David Bell and Jeff Cirillo and RHPs Rick Helling, Dan Kolb and Tomo Ohka |
| 12/1/06 | Minnesota Twins | Declined to offer arbitration to 1B Phil Nevin, OFs Shannon Stewart and Rondell White and RHP Brad Radke |
| 12/1/06 | New York Mets | Re-signed LHP Tom Glavine to a one-year contract; offered arbitration to RHPs Roberto Hernandez and Guillermo Mota; declined to offer arbitration to C Mike DiFelice, SS Chris Woodward, OFs Cliff Floyd, Ricky Ledee and Michael Tucker, RHPs Yusaku Iriki and Steve Trachsel and LHP Darren Oliver |
| 12/1/06 | New York Yankees | Offered arbitration to LHP Ron Villone; declined to offer arbitration to 2B Miguel Cairo, OFs Bernie Williams and Craig Wilson, RHP Octavio Dotel and Tanyon Sturtze |
| 12/1/06 | Oakland Athletics | Offered arbitration to LHP Barry Zito; declined to offer arbitration to OF Jay Payton and RHP Steve Karsay |
| 12/1/06 | Philadelphia Phillies | Offered arbitration to OF David Dellucci; declined to offer arbitration to C Mike Lieberthal, SSs Alex S. Gonzalez and Jose Hernandez, RHP Rick White and LHPs Aaron Fultz and Arthur Rhodes |
| 12/1/06 | Pittsburgh Pirates | Declined to offer arbitration to 3B Joe Randa and OF Jeromy Burnitz |
| 12/1/06 | San Diego Padres | Re-signed INF Geoff Blum to a one-year contract; offered arbitration to 1B Ryan Klesko, 2B Todd Walker, OF Dave Roberts, RHP Chan Ho Park and LHPs David Wells and Alan Embree; declined to offer arbitration to C Mike Piazza, RHPs Doug Brocail and Rudy Seanez and LHPs Shawn Estes and Sterling Hitchcock |
| 12/1/06 | San Francisco Giants | Re-signed 2B Ray Durham to a two-year contract; offered RHP Jason Schmidt arbitration; declined to offer arbitration to RHP Jamey Wright, LHP Steve Kline, INF Shea Hillenbrand, 3B Pedro Feliz, C Todd Greene and OFs Steve Finley and Barry Bonds |
| 12/1/06 | Seattle Mariners | Released RHP Jorge Campillo; offered arbitration to RHP Gil Meche; declined to offer arbitration to 1B Eduardo Perez |
| 12/1/06 | St. Louis Cardinals | Offered arbitration to RHP Jeff Suppan and LHP Mark Mulder; declined to offer arbitration to 2B Ronnie Belliard, SS Jose Vizcaino, OF Preston Wilson and RHP Jason Marquis and Jeff Weaver |
| 12/1/06 | Tampa Bay Devil Rays | Agreed to terms with RHPs Stephen Andrade and Tony Peguero, SS Jorge Velandia, OF Dustan Mohr and C Yamid Haad on minor league contracts; declined to offer arbitration to SS Tomas Perez and RHP Brian Meadows |
| 12/1/06 | Texas Rangers | Offered arbitration to RHP Vincente Padilla; declined to offer arbitration to C Rod Barajas and 2B Eric Young |
| 12/1/06 | Toronto Blue Jays | Signed C Jason Phillips to a one-year contract (avoids arbitration); offered arbitration to LHP Ted Lilly; declined to offer arbitration to C Bengie Molina |
| 12/1/06 | Washington Nationals | Offered arbitration to OF Jose Guillen; declined to offer arbitration to 1B Robert Fick and RHPs Tony Armas Jr. and Ramon Ortiz |
| 11/30/06 | Boston Red Sox | Signed LHP Hideki Okajma to a two-year contract |
| 11/30/06 | Cincinnati Reds | Announced OF Brandon Watson has cleared waivers and refused an outright assignment to Louisville of the IL, making him a free agent |
| 11/30/06 | Colorado Rockies | Signed LHP Jeff Francis to a four-year contract extension with an option for 2011 |
| 11/29/06 | Arizona Diamondbacks | Sold the rights to INF/OF Andy Green to Nippon Ham Fighters (Japan); Nippon signed Green to a one-year contract with an option for 2008 |
| 11/29/06 | Boston Red Sox | Named Luis Alicea first base coach; signed 2B Joe McEwing to a minor league contract |
| 11/29/06 | Colorado Rockies | Signed LHP Eric DuBose to a minor league contract |
| 11/29/06 | Detroit Tigers | Signed INF Ramon Santiago to a one-year contract (avoids arbitration) |
| 11/29/06 | Milwaukee Brewers | Signed 2B/SS Craig Counsell to a two-year contract with an option for 2009 |
| 11/29/06 | Oakland Athletics | Named Bob Schaefer bench coach |
| 11/29/06 | San Francisco Giants | Named Willie Upshaw first base coach and Tim Flannery third base coach; announced that bench coach Ron Wotus, pitching coach Dave Righetti, hitting coach Joe Lefebvre bullpen coach Mark Gardner and bullpen catcher Bill Hayes will all return for the 2007 season |
| 11/29/06 | Tampa Bay Devil Rays | Signed 1B Hee-Seop Choi to a minor league contract |
| 11/29/06 | Toronto Blue Jays | Signed SS Royce Clayton to a one-year contract |
| 11/28/06 | Baltimore Orioles | Signed RHP Chad Bradford to a three-year contract; signed RHP Scott Williamson to a one-year contract |
| 11/28/06 | Kansas City Royals | Traded 2B Donnie Murphy to Oakland in exchange for cash considerations |
| 11/28/06 | Los Angeles Dodgers | Signed LHP Randy Wolf to a one-year contract with an option for 2008; signed LHP Matt White to a minor league contract |
| 11/28/06 | Milwaukee Brewers | Re-signed LHP Brian Shouse to a one-year contract (avoids arbitration) |
| 11/28/06 | Oakland Athletics | Acquired 2B Donnie Murphy from Kansas City in exchange for cash considerations |
| 11/28/06 | St. Louis Cardinals | Signed 2B Adam Kennedy to a three-year contract; RHP Kip Wells and C Gary Bennett to one-year contracts and C Eli Marrero to a minor league contract |
| 11/28/06 | Toronto Blue Jays | Re-signed C Gregg Zaun to a two-year contract with an option for 2009 |
| 11/27/06 | Baltimore Orioles | Signed RHP Danys Baez to a three-year contract |
| 11/27/06 | Chicago White Sox | Signed 1B Ross Gload to a one year contract (avoids arbitration) |
| 11/27/06 | Cincinnati Reds | Signed C Chad Moeller to a one-year contract |
| 11/27/06 | New York Yankees | Re-signed RHP Mike Mussina to a two-year contract |
| 11/27/06 | Philadelphia Phillies | Named Steve Smith third base coach |
| 11/27/06 | Philadelphia Phillies | Signed RHP Adam Eaton to a three-year contract with an option for 2010 |
| 11/27/06 | Pittsburgh Pirates | Exercised the option on LHP Damaso Marte and then signed him to a two-year extension with an option for 2009 |
| 11/25/06 | Arizona Diamondbacks | Acquired LHP Doug Davis, LHP Dana Eveland and OF David Krynzel from Milwaukee for RHP Greg Aquino, C Johnny Estrada and RHP Claudio Vargas |
| 11/25/06 | Milwaukee Brewers | Acquired RHP Greg Aquino, C Johnny Estrada and RHP Claudio Vargas from Arizona for LHP Doug Davis, LHP Dana Eveland and OF David Krynzel |
| 11/24/06 | Houston Astros | Signed OF Carlos Lee to a six-year contract; signed RHP Woody Williams to a two-year contract with an option for 2009 |
| 11/24/06 | Seattle Mariners | Signed INF/OF Willie Bloomquist to a one-year contract extension through 2008 |
| 11/22/06 | Los Angeles Angels | Signed OF Gary Matthews Jr. to a five-year contract |
| 11/22/06 | Los Angeles Dodgers | Signed OF Juan Pierre to a five-year contract |
| 11/22/06 | Texas Rangers | Signed LHP Scott Rice to a minor league contract |
| 11/21/06 | Baltimore Orioles | Signed LHP Jamie Walker to a three-year contract; re-signed LHP John Parrish (avoids arbitration); signed OF Roger Cedeno to a minor league contract |
| 11/21/06 | Los Angeles Dodgers | Purchased the contracts of RHP Eric Hull, RHP Zach Hammes and LHP Mike Megrew |
| 11/21/06 | San Diego Padres | Named Bobby Meacham first base coach and Craig Colbert bench coach. Signed Darren Balsley, pitching coach, to a two-year contract extension |
| 11/21/06 | St. Louis Cardinals | Released OF Larry Bigbie; Released LHP Carmen Cali |
| 11/21/06 | Washington Nationals | Named Pat Corrales bench coach, Jerry Morales first-base coach, Tim Tolman third-base coach and Rick Aponte bullpen coach |
| 11/20/06 | Arizona Diamondbacks | Designated LHP Randy Choate for assignment. Purchased the contracts of LHP Evan MacLane, RHP Jailen Peguero, INF Brian Barden and INF Alberto Gonzalez from Tuscon of the PCL, INF Danny Richar and OF Carlos Gonzalez from Tennessee of the Southern League, and INF Emilio Bonifacio from Lancaster of the California League |
| 11/20/06 | Atlanta Braves | Claimed OF T.J. Bohn off waivers from the Seattle Mariners; purchased the contracts of RHP Jonathan Johnson and OF Gregor Blanco from Richmond (AAA) |
| 11/20/06 | Boston Red Sox | Purchased the contracts of LHP Phil Seibel from Pawtucket of the IL and RHP Kyle Jackson from Portland of the Eastern League. Activated RHP Matt Clement, LHP Jon Lester and RHP David Pauley from the 60-day DL. Activated LHP Abe Alvarez from the 60-day DL and sent him outright to Pawtucket |
| 11/20/06 | Chicago Cubs | Signed OF Alfonso Soriano to an eight-year contract; Purchased the contract of LHP Clayton Rapada from Iowa of the PCL and RHP Rocky Cherry from West Tenn of the Southern League |
| 11/20/06 | Chicago White Sox | Purchased the contracts of LHP Heath Phillips, LHP Carlos Vasquez and INF Andy Gonzalez from Class AAA Charlotte, RHP Oneli Perez from Class AA Birmingham and RHP Dewon Day from Class A Winston-Salem |
| 11/20/06 | Cincinnati Reds | Signed LHP Mike Stanton to a two-year contract with an option for 2009 and SS Alex Gonzalez to a three-year contract with an option for 2010; Sent C Jason LaRue to the Kansas City Royals for a minor league player to be named; Selected the contracts of OF Chris Dickerson, RHP Calvin Medlock and RHP David Shafer |
| 11/20/06 | Cleveland Indians | Purchased the contracts OF Ben Francisco from Buffalo of the IL and RHP J.D. Martin of Akron of the Eastern League |
| 11/20/06 | Colorado Rockies | Purchased the contracts of RHPs Ryan Speier and Darren Clarke and INF Jon Herrera |
| 11/20/06 | Detroit Tigers | Purchased the contract of RHP Virgil Vasquez from Triple-A Toledo |
| 11/20/06 | Florida Marlins | Acquired RHP Kevin Gregg from the Los Angeles Angels of Anaheim in exchange for RHP Chris Resop; Acquired RHPs Matt Lindstrom and Henry Owens from the New York Mets in exchange for LHPs Adam Bostick and Jason Vargas; Added LHP Paul Mildren to the 40-man roster |
| 11/20/06 | Houston Astros | Purchased the contracts of INF Brooks Conrad and OF Mike Rodriguez from Round Rock of the Pacific Coast League (AAA) |
| 11/20/06 | Kansas City Royals | Acquired C Jason LaRue from Cincinnati in exchange for a player to be named later; Added LHP Danny Christensen, LHP Neal Musser and RHP Carlos Rosa to the 40-man roster; Designated 2B Donnie Murphy and LHP Juan Cedeno for assignment |
| 11/20/06 | Los Angeles Angels | Traded RHP Kevin Gregg to Florida in exchange for RHP Chris Resop; Added IF Matt Brown, OF Terry Evans and C Bobby Wilson to the 40-man roster |
| 11/20/06 | Los Angeles Dodgers | Signed 1B Nomar Garciaparra to a two-year contract |
| 11/20/06 | Milwaukee Brewers | Named Ed Sedar first base coach and Nick Leyva third base coach; reassigned third base coach Dale Sveum to bench coach |
| 11/20/06 | Minnesota Twins | Added LHPs Ricky Barrett and Alexander Smit, RHP Oswaldo Sosa and OF Denard Span to the Major League roster |
| 11/20/06 | New York Mets | Signed OF Moises Alou to a one-year contract with an option for 2008; acquired LHP's Jason Vargas and Adam Bostick from Florida in exchange for RHP's Henry Owens and Matt Lindstrom; declined the 2007 club option for LHP Tom Glavine; claimed RHP Jason Standridge off waivers from Cincinnati; puchased the contract of OF Carlos Gomez |
| 11/20/06 | New York Yankees | Added LHP Chase Wright, RHP Jeff Kennard and OF Bronson Sardinha to their 40-man roster |
| 11/20/06 | Oakland Athletics | Signed RHP Scott Dunn to a one-year contract; purchased the contract of RHP Marcus McBeth from Midland (AA); signed LHP Erasmo Ramirez, INF J.J. Furmaniak and OF Vince Faison to minor league contracts |
| 11/20/06 | Pittsburgh Pirates | Purchased the contracts of LHP David Davidson, RHP Romulo Sanchez and OF Nyjer Morgan; released C Carlos Maldonado |
| 11/20/06 | San Diego Padres | Purchased the contracts of INF Luis Cruz and RHP Leo Rosales from Mobile of the Southern League |
| 11/20/06 | San Francisco Giants | Purchased the contracts of RHP Osiris Matos from Connecticut of the Eastern League and INF Eugenio Velez from Augusta of the South Atlantic League |
| 11/20/06 | Seattle Mariners | Designated RHPs Jorge Campillo and Travis Chick for assingment; Purchased the contracts of INF Michael Garciaparra, OF Bryan Lahair, LHP Ryan Rowland-Smith and OF Mike Wilson from Tacoma of the PCL |
| 11/20/06 | St. Louis Cardinals | Purchased the contracts of LHP Troy Cate, RHP Dennis Dove, RHP Blake Hawksworth and OF Cody Haerther from Memphis of the PCL |
| 11/20/06 | Tampa Bay Devil Rays | Purchased the contracts of OF Elijah Dukes, INF Elliot Johnson and RHP Mitch Talbot; Release RHP Doug Waechter |
| 11/20/06 | Texas Rangers | Signed OF Frank Catalanotto to a three-year contract with an option for 2010; Named Art Howe bench coach/infield instructor, Gary Pettis 1B coach/outfield/base running instructor, Rudy Jaramillo hitting coach, Mark Connor pitching coach, Dom Chiti bullben coach and Don Wakamatsu 3B coach/catching instructor; Added RHP Alexi Ogando and LHP A.J. Murray to the 40-man roster |
| 11/20/06 | Toronto Blue Jays | Purchased the contract C Robinzon Diaz from Dunedin of the Florida State League |
| 11/19/06 | Los Angeles Angels | Signed RHP Justin Speier to a four-year contract |
| 11/18/06 | Los Angeles Angels | Named Mike Butcher pitching coach |
| 11/18/06 | Tampa Bay Devil Rays | Named Jim Hickey pitching coach |
| 11/17/06 | Boston Red Sox | Re-signed INF Alex Cora to a two-year contract |
| 11/17/06 | Chicago Cubs | Released LHP Ryan O'Malley and OF Miguel Negron |
| 11/17/06 | Detroit Tigers | Signed RHP Craig Dingman, LHP's Vic Darensbourg and Tim Byrdak, INF Mike Hessman and Kevin Hooper and C Steve Torrealba to minor league contracts |
| 11/17/06 | Los Angeles Dodgers | Announced 3B Bill Mueller has retired and named him special assistant to the general manager |
| 11/17/06 | Los Angeles Dodgers | Signed RHP Travis Smith and C Ken Huckaby to minor league contracts |
| 11/17/06 | Oakland Athletics | Named Bob Geren manager |
| 11/17/06 | Philadelphia Phillies | Signed 3B Wes Helms to a two-year contract with an option for 2009 |
| 11/17/06 | Texas Rangers | Signed RHP Franklyn German, INF Ramon Vazquez, LHP Matt Merricks and INF David Matranga to minor league contracts |
| 11/17/06 | Toronto Blue Jays | Signed DH Frank Thomas to two-year contract wth an option for 2009 |
| 11/16/06 | Chicago Cubs | Acquired LHP Neal Cotts from the Chicago White Sox in exchange for RHP David Aardsma and LHP Carlos Vasquez; signed LHP Les Walrond, RHP's Jason Anderson, John Webb and Ben Howard, C Koyie Hill and INF Jason Smith to minor league contracts |
| 11/16/06 | Chicago White Sox | Acquired RHP David Aardsma and LHP Carlos Vazquez from the Chicago Cubs in exchange for LHP Neal Cotts |
| 11/16/06 | Detroit Tigers | Re-signed 1B Sean Casey to a one-year contract |
| 11/16/06 | New York Mets | Signed INF Damion Easley to a one-year contract |
| 11/16/06 | San Diego Padres | Announced bench coach Tony Muser's contract will not be renewed |
| 11/16/06 | St. Louis Cardinals | Re-signed INF Scott Spiezio to a two-year contract; signed LHP Randy Keisler to a one-year contract |
| 11/16/06 | Texas Rangers | Re-signed C Miguel Ojeda to a one-year contract (avoids arbitration) |
| 11/15/06 | Baltimore Orioles | Signed 1B/DH Josh Phelps to a minor league contract |
| 11/15/06 | Chicago Cubs | Re-signed C Henry Blanco to a two-year contract with an option for 2009 |
| 11/15/06 | New York Mets | Acquired OF Ben Johnson and RHP Jon Adkins from San Diego in exchange for RHP Heath Bell and LHP Royce Ring |
| 11/15/06 | San Diego Padres | Acquired RHP Heath Bell and LHP Royce Ring from the New York Mets in exchange for OF Ben Johnson and RHP Jon Adkins |
| 11/14/06 | Baltimore Orioles | Signed C J.R. House and 3B Terry Tiffee to minor league contracts |
| 11/14/06 | Chicago Cubs | Signed INF Mark DeRosa to a three-year contract |
| 11/14/06 | Houston Astros | Named Dave Wallace pitching coach |
| 11/14/06 | New York Mets | Re-signed RHP Orlando Hernadez to a two-year contract |
| 11/14/06 | Seattle Mariners | Signed RHP Renee Cortez, RHP Jesse Foppert, INF Rey Ordonez, OF Tony Torcato, INF Brant Ust, RHP Cibney Bello, LHP Josh Kite, RHP Michael Wagner and RHP Jared Eichelberger to minor-league contracts. |
| 11/14/06 | Washington Nationals | Named Manny Acta manager; Purchased the contract of RHP Jermaine Van Buren |
| 11/13/06 | Boston Red Sox | Named Gary Tuck bullpen coach |
| 11/13/06 | Colorado Rockies | Re-signed 2B Kazuo Matsui to a one-year contract |
| 11/13/06 | New York Mets | Re-signed 2B Jose Valentin to a one year contract with an option for 2008 |
| 11/13/06 | Toronto Blue Jays | Signed RHP Matt Roney to a one-year contract |
| 11/12/06 | Chicago Cubs | Re-signed 3B Aramis Ramirez to a five-year contract with an option for 2012; re-signed RHP Kerry Wood to a one-year contract |
| 11/12/06 | Chicago White Sox | Announced free agent RHP Jeff Nelson has retired |
| 11/12/06 | New York Yankees | Exercised their 2007 option on RHP Jaret Wright and then traded him to Baltimore in exchange for RHP Chris Britton |
| 11/10/06 | Arizona Diamondbacks | Named Kirk Gibson bench coach and signed him to a two-year contract |
| 11/10/06 | Boston Red Sox | Declined their option on RHP Keith Folke making him a free agent |
| 11/10/06 | Cincinnati Reds | Released RHP Jason Standridge; signed OF Bubba Crosby to a one year contract |
| 11/10/06 | Colorado Rockies | Announced free agent 3B Vinny Castilla has retired |
| 11/10/06 | Detroit Tigers | Acquired OF Gary Sheffield from New York in exchange for RHPs Humberto Sanchez, Kevin Whelan and Anthony Claggett; signed Sheffield to a two-year contract extension |
| 11/10/06 | Florida Marlins | Signed RHP Nate Field to a minor league contract |
| 11/10/06 | Houston Astros | Re-signed 2B Craig Biggio to a one-year contract extension |
| 11/10/06 | Kansas City Royals | Promoted Ty Hill to strenght and conditioning coach |
| 11/10/06 | Milwaukee Brewers | Announced the resignation of bench coach Robin Yount |
| 11/10/06 | New York Mets | Announced that LHP Tom Glavine declined to exercise his 2007 player option |
| 11/10/06 | New York Yankees | Traded OF Gary Sheffield to the Detroit Tigers in exchange for RHP's Humberto Sanchez, Kevin Whelan and Anthony Claggett |
| 11/10/06 | Oakland Athletics | Reinstated RHP Steve Karsay from the voluntary retired list; Karsay becomes a free agent |
| 11/10/06 | San Diego Padres | Reinstated LHP Sterling Hitchcock from the voluntary retired list; Hitchcock becomes a free agent |
| 11/10/06 | St. Louis Cardinals | Re-signed OF Jim Edmonds to a two-year contract |
| 11/10/06 | Tampa Bay Devil Rays | Released RHP Tyler Walker |
| 11/10/06 | Toronto Blue Jays | Signed RHP's Geremi Gonzalez, Beau Kemp, Blaine Neal and Brian Wolfe, 1B Kevin Barker and OF's Jeff Duncan and Chad Mottola to minor league contacts |
| 11/9/06 | Chicago Cubs | Re-signed RHP Wade Miller to a one-year contract |
| 11/9/06 | Cleveland Indians | Signed C Mike Rose to a minor league contract |
| 11/9/06 | Detroit Tigers | Named Llyod McClendon hitting coach and Jeff Jones bullpen coach |
| 11/9/06 | Los Angeles Dodgers | Announced OF J.D. Drew exercised the out option in his contract and became a free agent |
| 11/9/06 | San Diego Padres | Named Bud Black manager |
| 11/8/06 | Chicago Cubs | Named Gerald Perry hitting coach |
| 11/8/06 | Cleveland Indians | Acquired 2B Josh Barfield from San Diego in exchange for 3B Kevin Kouzmanoff and RHP Andrew Brown |
| 11/8/06 | San Diego Padres | Exercised their 2008 option on general manager Kevin Towers; Acquired 3B Kevin Kouzmanoff and RHP Andrew Brown from the Cleveland Indians in exchange for 2B Josh Barfield; Signed LHPs Frank Brooks, Erick Burke, Adrian Burnside and Mike Johnston, RHPs Jack Cassel and Steve Watkins, 3B Royce Huffman, 1B Brian Myrow and OF Adam Shabala to Minor League contracts. |
| 11/8/06 | Texas Rangers | Signed 2B Matt Kata to a minor league contract |
| 11/8/06 | Washington Nationals | Signed RHP Jesus Colome to a minor league contract |
| 11/7/06 | Boston Red Sox | Declined their club option on RHP Keith Folke |
| 11/7/06 | Cincinnati Reds | Named Dick Pole pitching coach |
| 11/7/06 | Colorado Rockies | Exercised the 2007 option on RHP Jason Jennings; announced the hiring of Alan Cockrell as hitting coach and Glenallen Hill as first-base coach. |
| 11/7/06 | Los Angeles Dodgers | Re-signed INF Ramon Martinez to a one year contract with an option for 2008 |
| 11/6/06 | Baltimore Orioles | Signed RHP's Juan Acevedo, Jon Leicester and Steve Green and SS Cesar Crespo to minor league contracts |
| 11/6/06 | Baltimore Orioles | Signed OF Luis Montanez to a minor league contract |
| 11/6/06 | Philadelphia Phillies | Reinstated SS/3B Alex S. Gonzalez from the voluntary retired list |
| 11/6/06 | Texas Rangers | Named Ron Washington manager and signed him to a two-year contract with two option years |
| 11/6/06 | Washington Nationals | Signed RHP Tim Redding, RHP Joel Hanrahan, INF Josh Wilson and OF Michael Restovich to one-year contracts. Signed RHPs Jermaine Van Buren, T.J. Nall, Colby Lewis, Felix Diaz, Eduardo Valdez, Josh Hall, Winston Abreu, Jim Magrane; LHPs Mike Bacsik, Billy White and Chris Michalak; C Juan Brito and C Danny Ardoin; INF Joe Thurston and INF Alejandro Machado; and OF Darnell McDonald and OF Wayne Lydon to Minor League contracts. |
| 11/5/06 | New York Yankees | Exercised their 2007 option on OF Gary Sheffield |
| 11/5/06 | Texas Rangers | Exercised their 2007 option on LHP Ron Mahay |
| 11/4/06 | Atlanta Braves | Signed LHP Steve Colyer to a minor league contract |
| 11/3/06 | Chicago White Sox | Signed OF Luis Terrero to a one-year contract |
| 11/3/06 | Cincinnati Reds | Named Brook Jacoby hitting coach |
| 11/3/06 | Los Angeles Dodgers | Declined their 2007 option on RHP Eric Gagne |
| 11/3/06 | Tampa Bay Devil Rays | Declined their 2007 option on RHP Brian Meadows |
| 11/3/06 | Texas Rangers | Signed RHP Alfredo Simon to a minor league contract with an invitation to spring training |
| 11/2/06 | Baltimore Orioles | Signed free agent INF Eider Torres to a one-year contract. |
| 11/2/06 | Colorado Rockies | Exercised their 2007 option on RHP Byung-Hyun Kim |
| 11/2/06 | Detroit Tigers | Signed president and general manager Dave Dombrowski to a four-year extension |
| 11/2/06 | Houston Astros | Extended the contract of general manager Tim Pupura through the 2008 season |
| 11/2/06 | Milwaukee Brewers | Signed SS Yohannis Perez to a minor league contract |
| 11/2/06 | Pittsburgh Pirates | Announced 3B Joe Randa retired |
| 11/2/06 | San Diego Padres | Signed free agent LHP Ryan Ketchner to a one-year contract. |
| 11/1/06 | Colorado Rockies | Declined club options on RHP Jose Mesa, RHP Mike DeJean and LHP Ray King |
| 11/1/06 | Major League Baseball | RHP Guillermo Mota suspended 50 days for violation of Major League Baseball's Joint Drug Prevention and Treatment Program |
| 11/1/06 | Pittsburgh Pirates | Named Roy Smith assistant to the general manager; declined the option on OF Jeromy Burnitz, making him a free agent |
| 11/1/06 | San Francisco Giants | Declined the 2007 club options on OF Steve Finley and RHP Jamey Wright |
| 10/31/06 | Boston Red Sox | Named Allard Baird assistant general manager |
| 10/31/06 | Chicago White Sox | Named Razor Shines third base coach and shifted Joey Cora to bench coach |
| 10/31/06 | Houston Astros | Declined the 2007 option on 1B Jeff Bagwell |
| 10/31/06 | Minnesota Twins | Execised the option on RHP Carlos Silva for 2007 |
| 10/30/06 | Boston Red Sox | Exercised the option on RHP Tim Wakefield for 2007 |
| 10/30/06 | Chicago White Sox | Exercised the 2007 options on LHP Mark Buehrle, OF Jermaine Dye and 2B Tadahito Iguchi; declined it's option on RHP Dustin Hermanson |
| 10/30/06 | San Diego Padres | Declined club options on 1B Ryan Klesko and C Mike Piazza; exercised it's 2007 option on CF Mike Cameron and 3B/OF Russell Branyon |
| 10/28/06 | Arizona Diamondbacks | Named Kevin Seitzer hitting coach |
| 10/28/06 | Milwaukee Brewers | Named Jim Skaalen hitting coach |
| 10/27/06 | Chicago Cubs | Named Mike Quade third base coach, Matt Sinatro first base coach and Lester Strode bullpen coach |
| 10/27/06 | San Francisco Giants | Named Bruce Bochy manager and signed him to a three-year contract |
| 10/26/06 | San Diego Padres | Signed RHP Scott Strickland to a one-year contract |
| 10/25/06 | Boston Red Sox | Signed RHP Mike Timlin to a one-year extension (2007) |
| 10/23/06 | Chicago Cubs | Alan Trammell named bench coach and infield instructor |
| 10/23/06 | Los Angeles Angels | Released OF Curtis Pride |
| 10/23/06 | Oakland Athletics | Released INF D'Angelo Jimenez |
| 10/23/06 | Philadelphia Phillies | Signed LHP Jamie Moyer to a two-year extension (2007-08) |
| 10/20/06 | Boston Red Sox | Dave Magadan named hitting coach |
| 10/20/06 | Florida Marlins | Named Carlos Tosca bench coach, Bo Porter third base coach and outfield coach and Steve Foster bullpen coach |
| 10/20/06 | Minnesota Twins | Signed manager Ron Gardenhire to a two-year extension (2008-09); signed pitching coach Rick Anderson, bench coach Steve Liddle, bullpen coach Rick Stelmaszek, third base coach Scott Ullger, hitting coach Joe Varva and first base coach Jerry White through 2008 |
| 10/19/06 | Chicago Cubs | Signed RHP Matt Harrington to a minor league contract |
| 10/19/06 | Seattle Mariners | Named John McLaren bench coach |
| 10/19/06 | Toronto Blue Jays | Sent RHP Josh Towers and OF John-Ford Giffin outright to Syracuse (AAA); RHP Pete Walker and INF Kevin Barker have elected free agency |
| 10/18/06 | Minnesota Twins | Purchased RHP Julio DePaula from Double-A New Britton |
| 10/17/06 | Chicago Cubs | Named Lou Piniella manager (three-year contract); signed pitching coach Larry Rothschild to a two-year extension |
| 10/17/06 | Cincinnati Reds | Puchased RHP Brad Salmon from Triple-A Louisville |
| 10/16/06 | Boston Red Sox | Named John Farrell pitching coach |
| 10/16/06 | New York Yankees | Outrighted Andy Cannizaro; Nick Green and Sal Fasano elect free agency |
| 10/16/06 | Oakland Athletics | Fired manager Ken Macha |
| 10/16/06 | Philadelphia Phillies | Named Art Howe third base coach and INF instructor, Davey Lopes first base coach and Jimy Williams bench coach |
| 10/16/06 | San Diego Padres | RHP Brian Sweeney refused his outright assignment and elected free agency |
| 10/16/06 | Tampa Bay Devil Rays | Released 1B Kevin Witt; Recalled LHP Jeff Ridgway |
| 10/13/06 | Arizona Diamondbacks | Acquired RHP Abe Woody from Cincinnati in exchange for INF/OF Jerry Gil |
| 10/13/06 | Baltimore Orioles | Outrighted RHP Julio Manon, RHP Winston Abreu and INF Angel Chavez to Triple-A Ottawa |
| 10/13/06 | Boston Red Sox | Signed Mike Burns and Bryan Corey and sent them outright to Pawtucket (AAA) |
| 10/13/06 | Chicago White Sox | Fired bench coach Tim Raines |
| 10/13/06 | Cincinnati Reds | Sent INF Trevor Lawhorn to Toronto to complete the Aug 16 trade for Scott Schoeneweis |
| 10/13/06 | Florida Marlins | Sent OF Chris Aguila outright to Albuquerque (AAA) |
| 10/13/06 | Kansas City Royals | RHP Adam Bernero refused his outright assignment and elected free agency |
| 10/13/06 | Milwaukee Brewers | Claimed C J.D. Closser off waivers from Colorado |
| 10/13/06 | Pittsburgh Pirates | Purchased RHP Josh Shortslef from Altoona of the Eastern League |
| 10/13/06 | San Diego Padres | Sent RHP Brian Sweeney outright to minors |
| 10/13/06 | San Francisco Giants | Sent LHP Jesus Reina and SS Tomas de la Rosa outright to Fresno (AAA) |
| 10/13/06 | Tampa Bay Devil Rays | Re-signed INF/OF Greg Norton to a 1 year contract with a club option for 2008 |
| 10/13/06 | Toronto Blue Jays | Acquired INF Trevor Lawhorn from Cincinnati to complete the Aug 16 trade for Scott Schoeneweis |
| 10/12/06 | Atlanta Braves | Purchased RHP Manny Acosta from Richmond (AAA); sent RHP Kevin Barry outright to Richmond (AAA) |
| 10/12/06 | Baltimore Orioles | Claimed SS Luis Hernandez off waivers from Atlanta |
| 10/12/06 | Colorado Rockies | Sent RHP Nate Field and LHP Mike Venefro outright to Colorado Springs (AAA) |
| 10/12/06 | Kansas City Royals | Claimed RHP Ken Ray off waivers from Atlanta |
| 10/12/06 | Milwaukee Brewers | C Damian Miller exercised his player option for 2007; released RHP Geremi Gonzalez |
| 10/12/06 | Philadelphia Phillies | Released RHP Julio Santana; Sent 2B Joe Thurston and 1B Randall Simon outright to Scranton/Wilkes-Barre (AAA) |
| 10/12/06 | Pittsburgh Pirates | Sent LHP Mike Johnston outright to Indianapolis (AAA) |
| 10/12/06 | San Diego Padres | Claimed LHP Justin Hampson off waivers from Colorado; released SS Manny Alexander, 3B/2B Mark Bellhorn and RHP Scott Williamson |
| 10/12/06 | Seattle Mariners | Released RHP Jesse Foppert; Sent RHP's Clint Nageotte and Renee Cortez outright to Tacoma (AAA) |
| 10/11/06 | Cincinnati Reds | Signed coaches Mark Berry, Bucky Dent, Billy Hatcher and Tom Hume and bullpen catcher Mike Stefanski for 2007; announced hitting coach Chris Chambliss and bullpen coach Lee Tunnell will not return |
| 10/11/06 | Cleveland Indians | Sent OF Jason Dubois outright to Buffalo (AAA) |
| 10/11/06 | Milwaukee Brewers | Signed RHP Chris Spurling to a minor league contract and invited him to spring training |
| 10/11/06 | Tampa Bay Devil Rays | Signed RHP Jae Seo for 2007 |
| 10/11/06 | Texas Rangers | Claimed RHP Francisco Cruceta off waivers from Seattle; claimed RHP Mike Wood off waivers from Kansas City; designated INF/OF Jerry Hairston Jr. for assignment |
| 10/10/06 | Atlanta Braves | Assigned OF Josh Burrus to Richmond (AAA); released LHP's John Foster and Wayne Franklin |
| 10/10/06 | Minnesota Twins | Exercised the option on OF Torii Hunter for 2007 |
| 10/10/06 | Oakland Athletics | Released LHP Scott Sauerbeck |
| 10/10/06 | Oakland Athletics | Purchasd 2B Mark Kiger from Midland (AA) |
| 10/9/06 | Milwaukee Brewers | Signed RHP's Corey Thurman and Joe Valentine to minor league contracts |
| 10/9/06 | Milwaukee Brewers | INF Zach Sorensen and RHP's Jared Fernandez and Chris Spurling have elected free agency |
| 10/9/06 | Minnesota Twins | Outrighted LHP's Dave Gassner and Justin Jones and INF Terry Tiffee |
| 10/6/06 | Chicago White Sox | Sent RHP Agustin Montero outright to Charlotte (AAA) |
| 10/6/06 | Houston Astros | Purchased RHP Paul Estrada from Corpus Christi (AA); sent outright catchers Eric Munson and J.R. House to Round Rock (AAA) |
| 10/6/06 | Los Angeles Angels | Declined club option for 2007 on LHP J.C. Romero |
| 10/6/06 | Milwaukee Brewers | Exercised club option for 2007 for RHP Francisco Cordero; sent outright RHP Chris Spurling to Nashville (AAA) |
| 10/6/06 | Washington Nationals | Sent outright infielders Melvin Dorta and Henry Mateo, pitcher Roy Corcoran and outfielder George Lombard to New Orleans of the Pacific Coast League (AAA); |
| 10/5/06 | Baltimore Orioles | Sent C Raul Chavez outright ot Norfolk (AAA) |
| 10/5/06 | Cincinnati Reds | Sent LHP Chris Michalak, RHP Sun-Woo Kim and OF Dewayne Wise outright to Louisville (AAA) |
| 10/5/06 | Milwaukee Brewers | Claimed RHP Grant Balfour off waivers from Cincinnati |
| 10/5/06 | Pittsburgh Pirates | Sent INF Mike Edwards and RHP Victor Santos outright to Indianapolis (AAA); both players elected free agency |
| 10/4/06 | Houston Astros | Signed manager Phil Garner to a one-year extension through 2008; fired pitching coach Jim Hickey |
| 10/4/06 | Milwaukee Brewers | Sent RHP Vince Perkins outright to Nashville (AAA); RHP Chris Mabeus elected free agency |
| 10/4/06 | Texas Rangers | Fired manager Buck Showalter |
| 10/3/06 | Atlanta Braves | Fired bench coach Pat Corrales; named Chino Cadahia bench coach, Brian Snitker third base coach and Eddie Perez bullpen coach |
| 10/3/06 | Baltimore Orioles | Acquired OF Adam Stern from Boston to complete the Aug. 4 trade for Javier Lopez |
| 10/3/06 | Boston Red Sox | Sent OF Adam Stern to Baltimore to complete the Aug. 4 trade for Javier Lopez |
| 10/3/06 | Cleveland Indians | Exercised club options for 2007 for RHP Jake Westbrook and INF/OF Casey Blake; declined the mutual option with 3B Aaron Boone |
| 10/3/06 | Florida Marlins | Fired manager Joe Girardi; named Fredi Gonzalez manager |
| 10/3/06 | Milwaukee Brewers | RHP Alan Simpson elected free agency |
| 10/3/06 | Philadelphia Phillies | Fired first base coach Marc Bombard, third base coach Bill Dancy and bench coach Gary Varsho |
| 10/3/06 | Washington Nationals | Released RHP's Brian Lawrence, Pedro Astacio, Felix Rodriguez, Zach Day and Ryan Drese and LHP Joey Eischen |
| 10/2/06 | Boston Red Sox | Fired hitting coach Ron Jackson and pitching coach Dave Wallace |
| 10/2/06 | Chicago Cubs | Fired manager Dusty Baker; Sent LHP Les Walrond outright to Iowa (AAA) |
| 10/2/06 | Colorado Rockies | Fired hitting coach Duane Espy and first base-outfield coach Dave Collins |
| 10/2/06 | Milwaukee Brewers | C Chad Moeller and RHP Joe Winkelsas elected free agency |
| 10/2/06 | San Francisco Giants | Fired manager Felipe Alou |
| 9/28/06 | Milwaukee Brewers | Fired batting coach Butch Wynegar, first base coach Dave Nelson |