| Date | Transaction |
|---|---|
| 05/16/13 | Harris, Shea released |
| 05/14/13 | Lis, Erik released |
| 05/14/13 | Smith, Stantrel released |
| 05/11/13 | Mendonca, Tommy sold to Philadelphia (AA-Reading) |
| 05/10/13 | Manriquez, Salomon activated |
| 05/10/13 | Mendonca, Tommy placed on disabled list (minimum 7 days) |
| 05/10/13 | Bass, Brian activated |
| 05/10/13 | Gonzalez, Eric released |
| 05/07/13 | Farnsworth, Jeff signed |
| 05/07/13 | Bass, Brian placed on inactive list |
| 05/03/13 | Young, Delwyn signed |
| 05/03/13 | Wordekemper, Eric placed on disabled list (minimum 7 days) |
| 04/28/13 | Yan, Ruddy released |
| 04/28/13 | Rodriguez, Francisco released |
| 04/25/13 | Andujar, Chris activated |
| 04/23/13 | Mendonca, Tommy signed |
| 04/22/13 | Weiser, Keith activated |
| 04/22/13 | Barnes, Jeremy traded to outside league New Jersey Jackals (Can-Am) |
| 04/21/13 | Rodriguez, Francisco signed |
| 04/21/13 | Weiser, Keith placed on inactive list |
| 04/21/13 | Uviedo, Ronald released |
| 04/21/13 | Duffy, Christopher released |
| 04/21/13 | Ronick, Ari released |
| 04/19/13 | Gabino, Armando activated |