| Latest Transactions |
| DATE | TRANSACTION |
| November 23, 2009 | Agreed to terms with LHP Chris Capuano on a minor league contract. |
| November 19, 2009 | Purchased the contracts of CF Lorenzo Cain from Huntsville (SL) and RHP Amaury Rivas from Brevard County (FSL). Claimed C George Kottaras off waivers from Boston. |
| November 13, 2009 | Declined the 2010 mutual contract option on RHP Braden Looper. |
| November 10, 2009 | Reinstated RHP Mark DiFelice, RHP David Riske and 2B Rickie Weeks from the 60-day DL. Purchased the contract of INF Adam Heether from Nashville (PCL). |
| November 6, 2009 | Declined the 2010 contract option on RHP David Weathers. |
| October 30, 2009 | Named Chris Bosio major league advance scout. |
| October 21, 2009 | Named Rick Peterson pitching coach. |
| October 6, 2009 | Agreed to terms with RHP Trevor Hoffman on a one-year contract. |
| October 5, 2009 | Announced interim pitching coach Chris Bosio and bullpen coach Stan Kyles will not be offered contracts. |
| September 8, 2009 | 3B Mat Gamel called up from minors |
| September 7, 2009 | RP Jesus Colome released |
| September 1, 2009 | SS J.J. Hardy called up from minors; RP Chris Smith called up from minors |
| August 27, 2009 | RP Mike Burns sent to minors |
| August 26, 2009 | SP Chase Wright outrighted to minors |
| August 25, 2009 | 2B Hernan Iribarren sent to minors |
| August 20, 2009 | Aquired pitcher Ruben Flores from the the Seattle Mariners for third baseman Bill Hall. |
| August 12, 2009 | Optioned shortstop J.J. Hardy to Nashville of the Pacific Coast League (AAA); recalled shortstop Alcides Escobar from Nashville; fired pitching coach Bill Castro; named Chris Bosio interim pitching coach; designated infielder/outfielder Bill Hall for assignment; purchased the contract of outfielder Jason Bourgeois from Nashville. |
| August 12, 2009 | Activated pitcher David Weathers. |
| August 11, 2009 | Optioned pitcher Chris Smith to Nashville of the Pacific Coast League (AAA). |
| August 8, 2009 | Designated pitcher R.J. Swindle for assignment; purchased the contract of pitcher Jesus Colome from Nashville of the Pacific Coast League (AAA). |
| August 6, 2009 | Purchased the contract of pitcher Tom Wilhelmsen. |
| August 3, 2009 | Placed outfielder Corey Hart on the 15-day disabled list; recalled third baseman Bill Hall from Nashville of the Pacific Coast League (AAA). |
| July 28, 2009 | Optioned pitcher Mike Burns to Nashville of the Pacific Coast League (AAA); recalled pitcher R.J. Swindle from Nashville. |
| July 26, 2009 | Placed pitcher Seth McClung on the 15-day disabled list; recalled pitcher Tim Dillard from Nashville of the Pacific Coast League (AAA). |
| July 22, 2009 | Purchased the contract of pitcher Brandon Kintzler from the St. Paul Saints of the American Association and assigned him to Huntsville of the Southern League (AA). |
| July 20, 2009 | Optioned third baseman Mat Gamel to Nashville of the Pacific Coast League (AAA). |
| July 14, 2009 | Sent pitcher Chris Narveson outright assignment to Nashville of the Pacific Coast League (AAA). |
| July 10, 2009 | Designated pitcher Chris Narveson for assignment; recalled pitcher Manny Parra from Nashville of the Pacific Coast League (AAA). |
| June 24, 2009 | Placed pitcher Dave Bush on the 15-day disabled list, retroactive to Saturday; recalled pitcher Mike Burns from Nashville of the Pacific Coast League (AAA). |
| June 14, 2009 | Optioned pitcher Manny Parra to Nashville of the Pacific Coast League (AAA); purchased the contract of pitcher Chris Narveson from Nashville; transferred second baseman Rickie Weeks to the 60-day disabled list. |
| June 9, 2009 | Activated pitcher Mark DiFelice from the bereavement list; optioned pitcher Mike Burns to Nashville of the Pacific Coast League (AAA). |
| June 5, 2009 | Placed pitcher Mark DiFelice on the bereavement list; recalled pitcher Chris Smith from Nashville of the Pacific Coast League (AAA); transferred David Riske to the 60-day disabled list. |
| June 2, 2009 | Purchased the contract of pitcher Mike Burns from Nashville of the Pacific Coast League (AAA); released pitcher Jorge Julio. |