| Team Ranking | Overall | Rushing | Passing |
| Offense | 19th | 138.6 (6th) | 204.3 (25th) |
| Defense | 22nd | 145.8 (30th) | 217.1 (10th) |
| Last updated: Tue, June 18, 2013, 18:25 EDT | |||
| Date | Player | Pos. | Transaction |
| 6/14 | E.J. Manuel | QB | signed/draft choice, Four-year contract (fifth-year option) |
| 6/10 | Tarvaris Jackson | QB | cut |
| 6/5 | Greg Lloyd | LB | cut |
| 6/5 | Doug Legursky | C | signed/unrestricted free agent |
| 5/30 | DeMarco Sampson | WR | signed |
| 5/30 | Vernon Kearney | CB | cut |
| 5/20 | Robert Woods | WR | signed/draft choice, Four-year contract (through 2016) |
| 5/15 | Kiko Alonso | LB | signed/draft choice, Four-year contract (through 2016) |
| 5/15 | Kevin Norrell | WR | Placed on IR, undisclosed |
| 5/14 | Mickey Shuler | TE | acquired from waivers |
| 5/10 | Jonathan Meeks | S | signed/draft choice, Four-year contract (through 2016) |
| 5/10 | Dustin Hopkins | K | signed/draft choice, Four-year contract (through 2016) |
| 5/10 | Duke Williams | S | signed/draft choice, Four-year contract (through 2016) |
| 5/10 | Marquise Goodwin | WR | signed/draft choice, Four-year contract (through 2016) |
| 5/9 | Chris Gragg | TE | signed/draft choice, Four-year contract (through 2016) |
| 4/29 | Zack Chibane | G | signed |
| 4/29 | Izaan Cross | DE | signed |
| 4/29 | Jordan Dangerfield | S | signed |
| 4/29 | Kip Edwards | CB | signed |
| 4/29 | Kendall Gaskins | RB | signed |
| 4/29 | Brandon Kaufman | WR | signed |
| 4/29 | Vernon Kearney | CB | signed |
| 4/29 | Kevin Norrell | WR | signed |
| 4/29 | Keith Pough | LB | signed |
| 4/29 | Nickell Robey | CB | signed |
| 4/29 | Da'Rick Rogers | WR | signed |
| 4/29 | Jumal Rolle | CB | signed |
| 4/29 | Drew Smith | RB | signed |
| 4/29 | Aaron Tipoti | DT | signed |
| 4/29 | Jeff Tuel | QB | signed |
| 4/29 | Ryan Turnley | C | signed |
| 4/29 | Chris Koepplin | K | cut |
| 4/29 | Joe Sawyer | TE | cut |
| 4/29 | Jerry Hughes | LB | traded, for LB Kelvin Sheppard |
| 4/29 | Aaron Corp | QB | cut |
| 4/29 | Adam Grant | T | cut |
| 4/18 | Chris Koepplin | K | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/18 | Brian Stahovich | P | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/18 | Jamie Blatnick | DE | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/18 | Kourtnei Brown | LB | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/18 | Frank Summers | RB | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/12 | Marcus Dowtin | LB | acquired from waivers |
| 4/8 | Kevin Kolb | QB | signed, Two-year contract (through 2013) |
| 4/2 | Alan Branch | DT | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/2 | Tashard Choice | RB | re-signed/unrestricted free agent, One-year contract (through 2013) |
| 4/2 | Dorin Dickerson | RB | re-signed/exclusive rights free agent |
| 3/13 | Manny Lawson | LB | signed/unrestricted free agent, Four-year contract (through 2016) |
| 3/12 | Donald Jones | WR | declared free agent |
| 3/12 | David Nelson | WR | declared free agent |
| 3/12 | Ryan Fitzpatrick | QB | cut |
| 3/12 | Tashard Choice | RB | declared free agent |
| 3/12 | Spencer Johnson | DT | declared free agent |
| 3/12 | Ruvell Martin | WR | declared free agent |
| 3/12 | Corey McIntyre | RB | declared free agent |
| 3/12 | Kyle Moore | DE | declared free agent |
| 3/12 | Kirk Morrison | LB | declared free agent |
| 3/12 | Chad Rinehart | G | declared free agent |
| 3/12 | Tyler Thigpen | QB | declared free agent |
| 3/12 | Andy Levitre | G | declared free agent |
| 3/9 | Leodis McKelvin | CB | re-signed, Four-year contract (through 2016) |
| 3/7 | Mike Caussin | TE | re-signed/exclusive rights free agent |
| 3/7 | Bryan Scott | LB | re-signed, One-year contract (through 2013) |
| 3/6 | Shawne Merriman | DE | retired |
| 3/6 | Dorin Dickerson | RB | re-signed/exclusive rights free agent |
| 3/1 | Jairus Byrd | S | Designated franchise player |
| 2/27 | Chris Kelsay | DE | retired |
| 2/19 | Colin Brown | G | re-signed, Two-year contract (through 2014) |
| 2/15 | Tarvaris Jackson | QB | re-signed, One-year contract (through 2013) |
| 2/14 | Aaron Corp | QB | signed |
| 2/14 | Hutch Eckerson | T | signed |
| 2/14 | Terrence McGee | CB | cut |
| 2/11 | George Wilson | S | cut |
| 2/11 | Nick Barnett | LB | cut |
| 2/4 | Scott Chandler | TE | Taken off IR, foot |
| 2/4 | Leodis McKelvin | CB | Taken off IR, groin |
| 2/4 | Arthur Moats | LB | Taken off IR, ankle |
| 2/4 | Fred Jackson | RB | Taken off IR, sprained right MCL |
| 2/4 | Chris Hairston | T | Taken off IR, knee |
| 2/4 | Chris Kelsay | DE | Taken off IR, neck |
| 2/4 | Mike Caussin | TE | Taken off IR, knee |
| 2/4 | Terrence McGee | CB | Taken off IR, left knee |
| 2/4 | Erik Pears | T | Taken off IR, hip |
| 2/4 | Chad Rinehart | G | Taken off IR, ankle |
| 2/4 | Colin Brown | G | Taken off IR, hamstring |
| 2/4 | Zebrie Sanders | T | Taken off IR, undisclosed |
| 2/4 | David Nelson | WR | Taken off IR, torn right ACL |
| 2/4 | Torell Troup | DT | Taken off IR, spinal fusion surgery |
| 1/15 | Joe Sawyer | TE | signed |
| 1/15 | Dominique Ellis | S | signed |
| 12/31 | Adam Grant | T | signed |
| 12/31 | Zach Brown | RB | signed |
| 12/31 | Corbin Bryant | DT | signed |
| 12/31 | Jarron Gilbert | DT | signed |
| 12/31 | Brian Smith | LB | signed |
| 12/28 | Kevin Elliott | WR | Activated from the Practice Squad |
| 12/26 | Derek Buttles | TE | practice squad addition |
| 12/26 | J.B. Shugarts | T | practice squad deletion |
| 12/24 | Scott Chandler | TE | Placed on IR, foot |
| More Transactions | |||
