| 1/5/08 | Signed T Mike Kracalik and DT Zarnell Fitch to Reserve/Future contracts. |
| 2/19/08 | Placed the franchise designation on OLB Terrell Suggs. |
| 2/27/08 | Terminated the contract (vested veteran) of RB Mike Anderson. |
| 2/28/08 | Terminated the contract (vested veteran, failed physical) of C Mike Flynn. |
| 3/14/08 | Signed free agent K E.J. Cochrane; Signed unrestricted free agent CB Frank Walker. |
| 3/18/08 | Re-signed FB Justin Green and RB Cory Ross. |
| 4/3/08 | Re-signed NT J'Vonne Parker. |
| 4/8/08 | Re-signed DB Jamaine Winborne. |
| 4/17/08 | Re-signed LS Matt Katula. |
| 4/21/08 | Re-signed G Jason Brown. |
| 4/23/08 | Re-signed CB Ronnie Prude; Waived K E.J. Cochrane. |
| 4/24/08 | Waived CB Willie Gaston; Re-signed DT/OLB Edgar Jones and TE Lee Vickers. |
| 4/28/08 | Acquired CB Fabian Washington in a trade with the Oakland Raiders. |
| 4/28/08 | Re-signed TE Jake Nordin and WR Matt Willis; Signed free agent WR Kerry Reed. |
| 5/9/08 | Signed the following rookie free agents: G Brandon Barnes, WR Patrick Carter, K Piotr Czech, P Ben Dato, T Sean Dumford, G Adam Kraus, TE Scott Kuhn, LB Jameel McClain, TE Joe Reitz, QB Brad Roach, WR Ernie Wheelright, G Isaiah Wiggins and DL Lorenzo Williams. |
| 6/26//08 | Waived G Brandon Barnes, P Benjamin Dato, and TE Xavier Lee. |
| 7/11/08 | Signed 2008 draft pick OT Oniel Cousins. |
| 7/18/08 | TE Quinn Sypniewski (knee) and TE Scott Kuhn (knee) placed on IR; Agreed to injury settlement and waived LB Mike Smith; Signed 4th-round draft pick WR Marcus Smith. |
| 7/21/08 | Waived CB Lenny Walls. |
| 7/22/08 | Signed 2008 rookie draft picks QB Joe Flacco, RB Ray Rice, LB Tavares Gooden, S Tom Zbikowski, T Oniel Cousins, T David Hale, S Haruki Nakamura, WR Justin Harper and RB Allen Patrick; Waived QB Brad Roach; Signed T Salomon Solano (international player program) to the practice squad; Signed free-agent TEs Adam Bergen and Aaron Walker. |
| 7/23/08 | Signed free agent CB Anwar Phillips. |
| 7/24/08 | Waived FB Jake Nordin. |
| 7/25/08 | Signed WR Darnerien McCants. |
| 7/31/08 | Waived T Sean Dumford; Signed free agent Chad Slaughter. |
| 8/01/08 | Waived CB Anwar Phillips, Signed free agent RB Alex Haynes. |
| 8/11/08 | Waived FB Justin Green, Placed LB Prescott Burgess (arm) and RB P.J. Daniels (shoulder) on Injured Reserve; Signed LB Terrence Melton and DT Darrell Campbell. |
| 8/12/08 | Waived TE Lee Vickers; Signed TE Keith Heinrich and FB Lorenzo Neal. |
| 8/14/08 | Waived G Isaiah Wiggins; Re-signed CB Anwar Phillips. |
| 8/18/08 | Waived WR Kerry Reed; Signed franchised OLB Terrell Suggs. |
| 8/26/08 | Waived WR Darnerien McCants and TE Aaron Walker, Placed DT Dwan Edwards (back), LB Terrence Melton (hand) and DT Kelly Talavou (shoulder) on Injured Reserve. |
| 8/27/08 | Waived LB Dan Cody; Signed (via trade with Tampa Bay) DE Marques Douglas. |