| DATE | PLAYER | DESCRIPTION |
| 05/20/2012 | Emilio Bonifacio | Placed on 15-day disabled list |
|
05/20/2012 | Donovan Solano | Contract purchased from New Orleans (AAA) |
|
05/19/2012 | Chris Coghlan | Recalled from New Orleans (AAA) |
|
05/19/2012 | Gaby Sanchez | Optioned to New Orleans (AAA) |
|
05/15/2012 | Bryan Petersen | Recalled from New Orleans (AAA) |
|
05/14/2012 | Kevin Mattison | Optioned to New Orleans (AAA) |
|
05/10/2012 | Sandy Rosario | Optioned to New Orleans (AAA) |
|
05/10/2012 | Chris Hatcher | Optioned to New Orleans (AAA) |
|
05/10/2012 | Mike Dunn | Recalled from New Orleans (AAA) |
|
05/10/2012 | Kevin Mattison | Recalled from New Orleans (AAA) |
|
05/05/2012 | Chris Hatcher | Recalled from New Orleans (AAA) |
|
05/05/2012 | Sandy Rosario | Recalled from New Orleans (AAA) |
|
05/05/2012 | Dan Jennings | Optioned to New Orleans (AAA) |
|
05/05/2012 | Bryan Petersen | Optioned to New Orleans (AAA) |