| Date | |
|---|---|
| 09/09/13 | Butler, Josh released | 
| 08/26/13 | Suarez, Iggy placed on inactive list | 
| 08/22/13 | Jones, Rusty activated | 
| 08/22/13 | Fulchino, Jeff placed on inactive list (retired) | 
| 08/20/13 | Rogers, Eddie signed | 
| 08/17/13 | Mayora, Daniel placed on inactive list | 
| 08/15/13 | Martinez, Juan activated | 
| 08/13/13 | Martinez, Miguel traded to Camden Riversharks for (2) players to be named | 
| 07/27/13 | McCurry, Cole signed | 
| 07/27/13 | Bilodeau, Keith reinstated to active list | 
| 07/27/13 | Hinshaw, Alex released | 
| 07/18/13 | Diaz, Victor released | 
| 07/15/13 | English, Jesse signed | 
| 07/07/13 | Villa, Kelvin sold to Quintana Roo (Mexican League) | 
| 07/04/13 | Lugo, Ruddy signed | 
| 07/04/13 | Texeira, Kanekoa sold to Cincinnati Reds (Triple-A) | 
| 06/23/13 | Fruto, Emiliano signed | 
| 06/23/13 | Bateman, Joe signed | 
| 06/23/13 | Ahearne, Pat activated | 
| 06/23/13 | Penn, Hayden placed on inactive list | 
| 06/22/13 | Hinshaw, Alex signed | 
| 06/22/13 | Minix, Travis released | 
| 06/10/13 | Harris, TyRelle sold to CPBL (Tawain) | 
| 06/08/13 | Villa, Kelvin signed | 
| 06/07/13 | Diaz, Victor signed | 
| 06/07/13 | Spencer, Matt released | 
| 06/07/13 | Jannis, Mickey traded to outside league Lake Erie (Frontier League) | 
| 06/06/13 | Simmons, James L. signed | 
| 06/06/13 | Mitchell, Russ released | 
| 06/06/13 | Colla, Michael sold to Tampa Bay Rays (Double-A) | 
| 05/31/13 | Martinez, Miguel signed | 
| 05/31/13 | Greenberg, Adam placed on inactive list | 
| 05/31/13 | Carr, Adam placed on inactive list | 
| 05/29/13 | Smith, Stantrel signed | 
| 05/29/13 | Derbacher, Karl released | 
| 05/28/13 | Chaves, Brandon reinstated to active list | 
| 05/28/13 | Greenberg, Sam released | 
| 05/25/13 | Derbacher, Karl signed | 
| 05/25/13 | Bilodeau, Keith placed on inactive list | 
| 05/22/13 | Fulchino, Jeff reinstated to active list | 
| 05/15/13 | Roberts, Jordan placed on inactive list | 
| 05/13/13 | Barbero, Daniel released | 
| 05/12/13 | Rodriguez, Edward released | 
| 05/12/13 | Schmidt, Josh released | 
| 05/11/13 | Suarez, Iggy signed | 
| 05/11/13 | Greenberg, Sam released | 
| 05/09/13 | Derbacher, Karl released | 
| 05/08/13 | Greenberg, Sam signed | 
| 05/08/13 | Chaves, Brandon placed on inactive list | 
| 05/07/13 | Derbacher, Karl signed | 
| 05/07/13 | Abreu, Winston signed | 
| 05/07/13 | Fulchino, Jeff placed on inactive list | 
| 04/29/13 | Starling, Wardell placed on inactive list | 
| 04/27/13 | Schmidt, Josh signed | 
| 04/26/13 | Gomez, Alexis reinstated to active list | 
| 04/26/13 | DeLome, Collin placed on inactive list | 
| 04/23/13 | Harris, TyRelle signed | 
| 04/18/13 | Gomez, Alexis placed on inactive list | 
| 04/18/13 | Boyer, Brad traded to outside league St. Paul Saints (AMAS) | 
| 04/16/13 | Munoz, Arnaldo released | 
| 04/14/13 | Boyer, Brad placed on inactive list | 
| 04/14/13 | Anderson, Brian placed on inactive list |