| Last updated: Fri, May 25, 2012, 19:48 EDT |
| Date | Player | Pos. | Transaction |
| 5/24 | Jimmy Rollins | SS | Reinstated from Paternity Leave List |
| 5/23 | Erik Kratz | C | Sent to Minors |
| 5/22 | Jimmy Rollins | SS | Placed on Paternity Leave List |
| 5/22 | Erik Kratz | C | Called Up from Minors |
| 5/16 | Kyle Hudson | LF | Traded From, Tampa Bay (for OF Rich Thompson) |
| 5/16 | Joe Savery | P | Called Up from Minors |
| 5/16 | Vance Worley | P | Placed on 15-Day DL, (Right elbow inflammation) |
| 5/12 | Michael Martinez | 3B | Transferred to 60-Day DL, (Fractured right foot) |
| 5/12 | Mike Fontenot | SS | Purchased From Minors |
| 5/12 | Cole Hamels | P | Reinstated From League Suspension |
| 5/11 | Raul Valdes | P | Purchased From Minors |
| 5/11 | Erik Kratz | C | Sent to Minors |
| 5/11 | Justin De Fratus | P | Transferred to 60-Day DL, (Right elbow sprain) |
| 5/11 | Laynce Nix | 1B | Placed on 15-Day DL, (Strained left calf) |
| 5/11 | Hector Luna | 3B | Purchased From Minors |
| 5/11 | Brian Sanches | P | Outrighted to Minors |
| 5/11 | Jake Diekman | P | Called Up from Minors |
| 5/9 | Cliff Lee | P | Removed From 15-Day DL, (Strained left oblique) |
| 5/9 | Michael Schwimer | P | Sent to Minors |
| 5/9 | Joe Savery | P | Sent to Minors |
| 5/7 | Cole Hamels | P | Starting to Serve Suspension |
| 5/7 | Cole Hamels | P | Suspension Announced By League, (five games) |
| 5/5 | Lou Montanez | RF | Released |
| 5/2 | Erik Kratz | C | Called Up from Minors |
| 5/2 | Jim Thome | 1B | Placed on 15-Day DL, (Lower back strain) |
| 5/1 | Brian Sanches | P | Purchased From Minors |
| 5/1 | David Herndon | P | Placed on 15-Day DL, (Right elbow inflammation) |
| 4/26 | Justin De Fratus | P | Recalled From Minors, Rehab Assignment |
| 4/25 | Michael Stutes | P | Placed on 15-Day DL, (Right shoulder inflammation) |
| 4/25 | Michael Schwimer | P | Called Up from Minors |
| 4/23 | Joe Thurston | 2B | Released |
| 4/22 | Cliff Lee | P | Placed on 15-Day DL, (Strained left oblique) |
| 4/22 | Joe Savery | P | Called Up from Minors |
| 4/22 | Justin De Fratus | P | Sent to Minors, For Rehabilitation |
| 4/16 | Jose Contreras | P | Removed From 15-Day DL, (Recovery from right elbow surgery) |
| 4/15 | Joe Savery | P | Sent to Minors |
| 4/14 | Jose Contreras | P | Recalled From Minors, Rehab Assignment |
| 4/13 | Mike Fontenot | SS | Signed to a Minor League Contract |
| 4/5 | Jose Contreras | P | Sent to Minors, For Rehabilitation |
| 4/4 | Jose Contreras | P | Placed on 15-Day DL, (Recovery from right elbow surgery) |
| 4/4 | Justin De Fratus | P | Placed on 15-Day DL, (Right elbow sprain) |
| 4/4 | Ryan Howard | 1B | Placed on 15-Day DL, (Recovery from left Achilles surgery) |
| 4/4 | Michael Martinez | 3B | Placed on 15-Day DL, (Fractured right foot) |
| 4/4 | Pete Orr | 2B | Purchased From Minors |
| 4/4 | Chase Utley | 2B | Placed on 15-Day DL, (Patella tendinitis, right knee) |
| 3/31 | Andres Blanco | SS | Signed to a Minor League Contract |
| 3/29 | Juan Pierre | LF | Purchased From Minors |
| 3/29 | Erik Kratz | C | Sent to Minors |
| 3/28 | Joe Thurston | 2B | Signed to a Minor League Contract |
| 3/23 | Michael Schwimer | P | Sent to Minors |
| 3/23 | Domonic Brown | RF | Sent to Minors |
| 3/19 | Joel Pineiro | P | Released |
| 3/18 | Dontrelle Willis | P | Cleared Waivers and Became a Free Agent |
| 3/16 | Dontrelle Willis | P | Released |
| 2/27 | Danys Baez | P | Retired |
| 2/19 | Kyle Kendrick | P | Signed, ( 2012-2013)(restructured two-year contract) |
| 2/7 | Chad Qualls | P | Signed as Free Agent, ( 2012)(one-year contract) |
| 1/31 | Chad Qualls | P | Signed as Free Agent, ( 2012)(one-year contract) |
| 1/31 | Jimmy Rollins | SS | Signed as Free Agent, ( 2012-2014; Opt 2015)(three-year contract) |
| 1/29 | Juan Pierre | LF | Signed to a Minor League Contract |
| 1/27 | Brent Clevlen | | Signed to a Minor League Contract |
| 1/27 | Hunter Pence | RF | Signed, ( 2012)(avoids arbitration) |
| 1/25 | Jeremy Horst | P | Traded From, Cincinnati (for INF Wilson Valdez) |
| 1/17 | Wilson Valdez | PH | Signed, ( 2012)(avoids arbitration) |
| 1/17 | Cole Hamels | P | Signed, ( 2012)(avoids arbitration) |
| 1/16 | Joel Pineiro | P | Signed to a Minor League Contract |
| 1/13 | John Bowker | PH | Cleared Waivers and Became a Free Agent |
| 1/13 | Kyle Kendrick | P | Signed, ( 2012)(avoids arbitration) |
| 1/10 | John Bowker | PH | Released |
| 12/21 | Hector Luna | | Signed to a Minor League Contract |
| 12/21 | Lou Montanez | PH | Signed to a Minor League Contract |
| 12/18 | Jimmy Rollins | SS | Signed as Free Agent, ( 2012-2014; Opt 2015)(three-year contract) |
| 12/15 | Dontrelle Willis | P | Signed as Free Agent, ( 2012)(one-year contract) |
| 12/14 | Laynce Nix | LF | Signed as Free Agent, ( 2012-2013)(two-year contract) |
| 12/9 | David Purcey | P | Signed to a Minor League Contract |
| 12/9 | Erick Threets | P | Signed to a Minor League Contract |
| 12/5 | Laynce Nix | LF | Signed as Free Agent, ( 2012-2013)(two-year contract) |
| 12/1 | Scott Mathieson | P | Signed to Play in Japan, (Yomiuri Giants) |
| 12/1 | Scott Mathieson | P | Cleared Waivers and Became a Free Agent |
| 11/30 | Brian Sanches | P | Signed to a Minor League Contract |
| 11/30 | Scott Elarton | | Signed to a Minor League Contract |
| 11/29 | Pat Misch | P | Signed to a Minor League Contract |
| 11/29 | Scott Mathieson | P | Released |
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