| Latest Transactions |
| DATE | TRANSACTION |
| November 19, 2009 | Purchased the contracts of LHP Tyler Norrick, RHP Adam Ottavino, RHP Francisco Samuel, C Bryan Anderson, INF Mark Hamilton, OF Allen Craig, OF John Jay and OF Daryl Jones from Memphis (PCL). |
| November 5, 2009 | Named Derek Lilliquist pitching coach of Memphis (PCL); Dennis Martinez pitching coach of Springfield (TL); Johnny Rodriguez manager, Tim Leveque pitching coach and Manabu Kuwazuru trainer of Quad Cities (MWL); Dann Bilardello manager and Ace Adams pitching coach of Batavia (NYP); Bryan Eversgerd pitching coach of Palm Beach (FSL); and Ramon Ortiz hitting coach of Johnson City (Appalachian). |
| October 27, 2009 | Agreed to terms with manager Tony LaRussa on a one-year contract. Named Mark McGwire hitting coach. |
| September 30, 2009 | Promoted Ron Watermon to director of public relations and civic affairs and Melody Yount manager of media relations and new media. Named Chris Tunno media relations specialist and Jared Odom direct sales representative. |
| September 23, 2009 | Terminated the contract of OF Wagner Mateo. |
| August 20, 2009 | Agreed to terms with pitcher John Smoltz. |
| August 12, 2009 | Placed pitcher Todd Wellemeyer on the 15-day disabled list, retroactive to Wednesday; recalled pitcher Mitchell Boggs from Memphis of the Pacific Coast League (AAA). |
| August 8, 2009 | Sent third baseman Brian Barden outright to Memphis of the Pacific Coast League (AAA). |
| July 27, 2009 | Optioned pitcher Josh Kinney to Memphis of the Pacific Coast League (AAA); recalled pitcher Blake Hawksworth from Memphis. |
| July 25, 2009 | Acquired outfielder Matt Holliday and cash considerations from the Oakland Athletics for third baseman Brett Wallace, pitcher Clay Mortensen and outfielder Shane Peterson. |
| July 24, 2009 | Activated shortstop Julio Lugo; optioned pitcher P.J. Walters to Memphis of the Pacific Coast League (AAA). |
| July 22, 2009 | Recalled infielder Brian Barden from Memphis of the Pacific Coast League (AAA); optioned outfielder Chris Duncan to Memphis. |
| July 18, 2009 | Activated utilityman Mark DeRosa from the 15-day disabled list; optioned second baseman Jarrrett Hoffpauir to Memphis of the Pacific Coast League (AAA). |
| July 13, 2009 | Activated pitcher Kyle Lohse from the 15-day disabled list; optioned pitcher Blake Hawksworth to Memphis of the Pacific Coast League (AAA). |
| July 12, 2009 | Recalled pitcher P.J. Walters from Memphis of the Pacific Coast League (AAA); optioned shortstop Brian Barden to Memphis. |
| July 8, 2009 | Recalled shortstop Brian Barden and outfielder Nick Stavinoha from Memphis of the Pacific Coast League (AAA); placed infielder/outfielder Mark DeRosa on the 15-day disabled list, retroactive to Wednesday; optioned shortstop Tyler Greene to Memphis. |
| July 4, 2009 | Agreed to terms with outfielder Wagner Mateo. |
| July 4, 2009 | Recalled infielder Jarrett Hoffpauir from Memphis of the Pacific Coast League (AAA); optioned pitcher Clayton Mortensen to Memphis. |
| June 30, 2009 | Placed shortstop Khalil Greene on the 15-day disabled list; purchased the contract of pitcher Clayton Mortensen from Memphis of the Pacific Coast League (AAA). |
| June 29, 2009 | Acquired infielder/outfielder Mark DeRosa from the Cleveland Indians for pitcher Chris Perez and a player to be named. |
| June 15, 2009 | Agreed to terms with outfielders Virgil Hill, Ross Smith and Christian Beatty, shortstops Tyler Bighames and Devin Goodwin, third basemen Matt Carpenter and Richard Racobaldo, first basemen Alan Ahmady, David Washington and Jonathan Rodriguez, catchers Anthony Garcia, Travis Tartamella and Matthew Adams and pitchers Scott Schneider, Pat Daugherty, Keith Butler, Josh Squatrito, Johnathan Fulino, Justin Edwards, Daniel Calhoun, Travis Lawler, David Kington, Andrew Moss, Justin Smith, John Durham, Jesse Simpson, Cale Johnson, Aaron Terry, Manuel De La Cruz, Kyle Heim, Michael Thompson and Jason Novak. |
| June 12, 2009 | Optioned Brian Barden to Memphis of the Pacific Coast League (AAA); recalled pitcher P.J. Walters from Memphis. |
| June 6, 2009 | Recalled pitcher Blake Hawksworth from Memphis of the Pacific Coast League (AAA); optioned pitcher Jess Todd to Memphis. |
| June 6, 2009 | Placed pitcher Kyle Lohse on the 15-day disabled list, retrocative to Thursday; recalled shortstop Tyler Greene from Memphis of the Pacific Coast League (AAA). |
| June 5, 2009 | Purchased the contract of pitcher Jess Todd from Memphis of the Pacific Coast League (AAA); designated pitcher Blaine Boyer for assingment. |
| May 30, 2009 | Activated outfielder Ryan Ludwick from the 15-day disabled list; placed shortstop Khalil Greene on the 15-day disabled list, retroactive to Thursday. |