| Latest Transactions |
| DATE | TRANSACTION |
| November 20, 2009 | Purchased the contracts of LHP Michael Kirkman and LHP Zach Phillips from Frisco (Texas). |
| November 13, 2009 | Reinstated OF Brandon Boggs, LHP Matt Harrison and RHP Eric Hurley from the 60-day DL. |
| November 13, 2009 | Announced the retirement of vice president of community development Norm Lyons. |
| November 11, 2009 | Named Scott Littlefield special assistant for scouting, John Booher professional scout, Greg Smith major league scout, Matt Vinnola director of baseball operations, Jake Krug assistant director for player development, Phil Geisler East Coast crosschecker, Todd Walther professional scout, Matt Klotsche assistant for baseball operations and Richard Price equipment and home clubhouse manager. |
| November 6, 2009 | Named Clint Hurdle hitting coach. |
| October 30, 2009 | Agreed to terms with C Kevin Richardson on a minor league contract. |
| October 22, 2009 | Assigned RHP Jason Grilli and C Kevin Richardson outright to Oklahoma City (PCL). |
| October 16, 2009 | Promoted Ron Hopkins special assistant to the general manager; A.J. Preller senior director, player personnel; Kip Fagg director, amateur scouting and Josh Boyd director, pro scouting. |
| October 15, 2009 | Announced hitting coach Rudy Jaramillo will not return next season. |
| September 17, 2009 | Agreed to terms with RHP Tanner Scheppers. |
| September 4, 2009 | RP Willie Eyre called up from minors; SP Thomas Diamond acquired off waivers |
| September 1, 2009 | LF Brandon Boggs called up from minors; RP Warner Madrigal called up from minors; RP Guillermo Moscoso called up from minors; LF Brandon Boggs placed on 60-day DL; LF Craig Gentry purchased from minors; C Kevin Richardson purchased from minors; SP Thomas Diamond designated for assignment |
| August 27, 2009 | RP Jason Jennings designated for assignment; RP Pedro Strop purchased from minors |
| August 25, 2009 | 1B Chris Davis called up from minors |
| August 25, 2009 | DH Andruw Jones placed on 15-day DL |
| August 20, 2009 | Placed pitcher Eddie Guardado on the 15-day disabled list, retroactive to Saturday; recalled pitcher Willie Eyre from Oklahoma City of the Pacific Coast League (AAA). |
| August 19, 2009 | Acquired catcher Ivan Rodriguez from the Houston Astros for pitcher Matt Nevarez and a player to be named; designated catcher Kevin Richardson for assignment; recalled pitcher Guillermo Moscoso from Oklahoma City of the Pacific Coast League (AAA); placed infielder Esteban German on the 15-day disabled list, retroactive to Friday. |
| August 8, 2009 | Designated pitcher Vicente Padilla for assignment; recalled outfielder Julio Borbon from Oklahoma City of the Pacific Coast League (AAA). |
| July 29, 2009 | Recalled pitcher Guillermo Moscoso from Oklahoma City of the Pacific Coast League (AAA); optioned pitcher Willie Eyre to Oklahoma City. |
| July 20, 2009 | Recalled pitcher Willie Eyre from Oklahoma City of the Pacific Coast League (AAA); placed pitcher Frank Francisco on the 15-day disabled list, retroactive to July 11. |
| July 8, 2009 | Transferred pitcher Brandon McCarthy to the 60-day disabled list; activated pitcher Dustin Nippert from the 60-day disabled list; optioned outfielder Julio Borbon to Oklahoma City of the Pacific Coast League (AAA). |
| July 7, 2009 | Activated outfielder Josh Hamilton from the 15-day disabled list; optioned first baseman Chris Davis to Oklahoma City of the Pacific Coast League (AAA). |
| June 30, 2009 | Recalled outfielder Julio Borbon from Oklahoma City of the Pacific Coast League (AAA); optioned pitcher Willie Eyre to Oklahoma City. |
| June 29, 2009 | Placed pitcher Matt Harrison on the 15-day disabled list; recalled pitcher Tommy Hunter from Oklahoma City of the Pacific Coast League (AAA). |
| June 26, 2009 | Activated pitcher Willie Eyre from the 15-day disabled list; optioned outfielder Brandon Boggs to Oklahoma of the Pacific Coast League (AAA). |
| June 21, 2009 | Activated pitcher Frank Francisco from the 15-day disabled list; optioned pitcher Guillermo Moscoso to Oklahoma City of the Pacific Coast League (AAA). |
| June 17, 2009 | Activated pitcher Matt Harrison from the 15-day disabled list; optioned pitcher Warner Madrigal to Oklahoma of the Pacific Coast League (AAA). |
| June 16, 2009 | Waived pitcher Sidney Ponson; activated pitcher Thomas Diamond from the 60-day disabled list and optioned him to Frisco of the Texas League (AA). |
| June 14, 2009 | Placed pitcher Frank Francisco on the 15-day disabled list, retroactive to June 4; recalled pitcher Warner Madrigal from Oklahoma City from the Pacific Coast Leauge (AAA). |
| June 9, 2009 | Acquired pitcher Jason Grilli from the Colorado Rockies for cash; placed pitcher Brandon McCarthy on the 15-day disabled list, retroactive to Friday; sent pitcher Kris Benson outright to Oklahoma City of the Pacific Coast League (AAA); recalled pitcher Guillermo Moscoso from Oklahoma City. |
| June 9, 2009 | Exercised a contract option to retain manager Ron Washington for the 2010 season. |
| June 5, 2009 | Purchased the contract of pitcher Doug Mathis from Oklahoma City of the Pacific Coast League (AAA); optioned pitcher Warner Madrigal to Oklahoma City; transferred pitcher Willie Eyre to the 60-day disabled list. |
| June 2, 2009 | Placed outfielder Josh Hamilton on the 15-day disabled list, retroactive to Monday; recalled outfielder Brandon Boggs from Oklahoma City of the Pacific Coast League (AAA). |
| May 30, 2009 | Recalled pitcher Tommy Hunter from Oklahoma City of the Pacific Coast League (AAA); placed pitcher Matt Harrison on the 15-day disabled list, retroactive to Tuesday. |