| MAY | |
| DATE | TRANSACTION |
| May 16, 2013 | Signed LB Trevardo Williams. |
| May 15, 2013 | Signed C Tyler Horn. Released RB George Winn and OT Dann O'Neill. |
| APRIL | |
| DATE | TRANSACTION |
| April 9, 2013 | Re-signed OT Ryan Harris. |
| MARCH | |
| DATE | TRANSACTION |
| March 28, 2013 | Signed RB Greg Jones. |
| March 23, 2013 | Signed P Shane Lechler. |
| March 23, 2013 | Signed S Ed Reed. |
| March 20, 2013 | Re-signed CB Brice McCain to a three-year contract. |
| March 12, 2013 | Released WR Kevin Walter. |
| March 11, 2013 | Signed TE Phillip Supernaw. |
| FEBRUARY | |
| DATE | TRANSACTION |
| February 20, 2013 | Named Jeff Zgonina assistant defensive line coach and Russell Joyner director of football information systems. |
| JANUARY | |
| DATE | TRANSACTION |
| January 4, 2013 | Placed LB Tim Dobbins on injured reserve. Signed LB Cameron Collins from the practice squad. |