| DATE | PLAYER | DESCRIPTION |
| 05/22/2012 | Erik Kratz | Recalled from Lehigh Valley (AAA) |
|
05/22/2012 | Jimmy Rollins | Placed on paternity leave list |
|
05/16/2012 | Vance Worley | Placed on 15-day disabled list |
|
05/16/2012 | Joe Savery | Recalled from Lehigh Valley (AAA) |
|
05/11/2012 | Michael Martinez | Transferred to 60-day disabled list |
|
05/11/2012 | Mike Fontenot | Contract purchased from Lehigh Valley (AAA) |
|
05/11/2012 | Erik Kratz | Optioned to Lehigh Valley (AAA) |
|
05/11/2012 | Laynce Nix | Placed on 15-day disabled list |
|
05/11/2012 | Hector Luna | Contract purchased from Lehigh Valley (AAA) |
|
05/11/2012 | Raul Valdes | Contract purchased from Lehigh Valley (AAA) |
|
05/11/2012 | Jacob Diekman | Recalled from Lehigh Valley (AAA) |
|
05/11/2012 | Brian Sanches | Sent outright to Lehigh Valley (AAA) |
|
05/11/2012 | Justin De Fratus | Transferred to 60-day disabled list |
|
05/09/2012 | Joe Savery | Optioned to Lehigh Valley (AAA) |
|
05/09/2012 | Michael Schwimer | Optioned to Lehigh Valley (AAA) |
|
05/09/2012 | Cliff Lee | Activated from 15-day disabled list |
|
05/02/2012 | Jim Thome | Placed on 15-day disabled list |
|
05/02/2012 | Erik Kratz | Recalled from Lehigh Valley (AAA) |
|
05/01/2012 | Brian Sanches | Contract purchased from Lehigh Valley (AAA) |