| DATE | PLAYER | DESCRIPTION |
| 05/17/2012 | Matt Antonelli | Claimed off waivers from Baltimore |
|
05/17/2012 | Cesar Cabral | Transferred to 60-day disabled list |
|
05/15/2012 | Cody Eppley | Recalled from Scranton (AAA) |
|
05/15/2012 | David Robertson | Placed on 15-day disabled list |
|
05/13/2012 | Mariano Rivera | Transferred to 60-day disabled list |
|
05/13/2012 | Andy Pettitte | Contract purchased from Scranton (AAA) |
|
05/13/2012 | Cody Eppley | Optioned to Scranton (AAA) |
|
05/11/2012 | Eduardo Nunez | Optioned to Scranton (AAA) |
|
05/11/2012 | Eric Chavez | Activated from 7-day disabled list |
|
05/04/2012 | Michael Pineda | Transferred to 60-day disabled list |
|
05/04/2012 | DeWayne Wise | Recalled from Scranton (AAA) |
|
05/04/2012 | D.J. Mitchell | Optioned to Scranton (AAA) |
|
05/04/2012 | Mariano Rivera | Placed on 15-day disabled list |
|
05/04/2012 | Cody Eppley | Recalled from Scranton (AAA) |
|
05/03/2012 | Eric Chavez | Placed on 7-day disabled list |
|
05/03/2012 | Joba Chamberlain | Transferred to 60-day disabled list |
|
05/03/2012 | Jayson Nix | Contract purchased from Scranton (AAA) |
|
04/29/2012 | D.J. Mitchell | Recalled from Scranton (AAA) |
|
04/29/2012 | Cody Eppley | Optioned to Scranton (AAA) |
|
04/18/2012 | Brett Gardner | Placed on 15-day disabled list |
|
04/18/2012 | Cody Eppley | Recalled from Scranton (AAA) |