| Team Ranking | Overall | Rushing | Passing |
| Offense | 18th | 88.8 (28th) | 255.2 (8th) |
| Defense | 18th | 118.6 (18th) | 235.9 (20th) |
| Last updated: Mon, June 17, 2013, 18:58 EDT | |||
| Date | Player | Pos. | Transaction |
| 6/13 | Sio Moore | LB | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | Stacy McGee | DT | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | Nick Kasa | TE | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | David Bass | DE | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | Brice Butler | WR | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | Latavius Murray | RB | signed/draft choice, Four-year contract (through 2016) |
| 6/7 | Mychal Rivera | TE | signed/draft choice, Four-year contract (through 2016) |
| 5/22 | Charles Woodson | S | signed, One-year contract (through 2013) |
| 5/22 | Kyle Padron | QB | cut |
| 5/17 | Chris Kluwe | P | signed |
| 5/17 | Bobby Cowan | P | cut |
| 5/16 | Nick Guess | TE | cut |
| 5/16 | Joshua Cribbs | WR | signed/unrestricted free agent, One-year contract (through 2013) |
| 5/16 | Jerrell Harris | LB | cut |
| 5/16 | Matt McGloin | QB | signed |
| 5/13 | Mitchell White | CB | signed |
| 5/13 | Andre Holmes | WR | acquired from waivers |
| 5/13 | Andrew Robiskie | C | signed |
| 5/13 | Ryan Robinson | DE | signed |
| 5/13 | Jeron Mastrud | TE | signed/unrestricted free agent |
| 5/13 | Greg Jenkins | WR | signed |
| 5/13 | Eric Harper | LB | signed |
| 5/13 | Chance Casey-Thomas | CB | signed |
| 5/13 | Adam Steiner | TE | cut |
| 5/13 | Mickey Shuler | TE | cut |
| 5/13 | Akwasi Owusu-Ansah | S | cut |
| 5/13 | Deveric Gallington | C | cut |
| 5/13 | Adrian Bushell | CB | cut |
| 5/1 | Nick Guess | TE | signed |
| 4/30 | Eddy Carmona | K | signed |
| 4/29 | Adrian Bushell | CB | signed |
| 4/29 | John Wetzel | T | signed |
| 4/29 | Deveric Gallington | C | signed |
| 4/29 | Shelton Johnson | S | signed |
| 4/29 | Brian Leonhardt | TE | signed |
| 4/29 | Lamar Mady | G | signed |
| 4/29 | Billy Boyko | LB | signed |
| 4/29 | Kyle Padron | QB | signed |
| 4/29 | Bobby Cowan | P | signed |
| 4/29 | Deonte Williams | RB | signed |
| 4/29 | Conner Vernon | WR | signed |
| 4/29 | Kurt Taufa'asau | DT | signed |
| 4/29 | Adam Steiner | TE | signed |
| 4/29 | Sam McGuffie | WR | signed |
| 4/15 | Jeremy Stewart | RB | re-signed/exclusive rights free agent |
| 4/15 | Brandian Ross | CB | re-signed/exclusive rights free agent |
| 4/15 | Alex Parsons | C | re-signed/exclusive rights free agent |
| 4/11 | Reggie Smith | S | signed/unrestricted free agent |
| 4/11 | Rashad Jennings | RB | signed/unrestricted free agent |
| 4/9 | Joselio Hanson | CB | signed/unrestricted free agent |
| 4/9 | Andre Carter | DE | re-signed/unrestricted free agent, One-year contract (through 2013) |
| 4/9 | Mike Jenkins | CB | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/9 | Usama Young | S | signed |
| 4/8 | Jason Slowey | T | cut |
| 4/5 | Rolando McClain | LB | cut |
| 4/2 | Tracy Porter | CB | signed/unrestricted free agent, One-year contract (through 2013) |
| 4/1 | Matt Flynn | QB | traded, for picks in 2014 & 2015 drafts |
| 3/27 | Tommy Kelly | DT | cut |
| 3/26 | Alex Barron | T | signed |
| 3/22 | Kaelin Burnett | LB | re-signed/exclusive rights free agent |
| 3/20 | Khalif Barnes | T | re-signed/unrestricted free agent |
| 3/18 | Vance Walker | DT | signed/unrestricted free agent |
| 3/17 | Kevin Burnett | LB | signed/unrestricted free agent, Two-year contract (through 2014) |
| 3/15 | Nick Roach | LB | signed/unrestricted free agent |
| 3/13 | Jason Hunter | DE | signed/unrestricted free agent |
| 3/13 | Kaluka Maiava | LB | signed/unrestricted free agent, Three-year contract (through 2015) |
| 3/13 | Pat Sims | DT | signed/unrestricted free agent |
| 3/12 | Coye Francies | CB | re-signed/exclusive rights free agent |
| 3/12 | David Tollefson | DE | cut |
| 3/12 | Michael Huff | CB | cut |
| 3/12 | Darrius Heyward-Bey | WR | cut |
| 3/12 | Phillip Adams | CB | re-signed, One-year contract (through 2013) |
| 3/12 | Zach Hurd | T | declared free agent |
| 3/12 | Duke Calhoun | WR | declared free agent |
| 3/12 | Shane Lechler | P | declared free agent |
| 3/12 | Philip Wheeler | LB | declared free agent |
| 3/12 | Shawntae Spencer | CB | declared free agent |
| 3/12 | Matt Shaughnessy | DE | declared free agent |
| 3/12 | Richard Seymour | DT | declared free agent |
| 3/12 | Brandon Myers | TE | declared free agent |
| 3/12 | Mike Mitchell | S | declared free agent |
| 3/12 | Matt Leinart | QB | declared free agent |
| 3/12 | Joselio Hanson | CB | declared free agent |
| 3/12 | Derek Hagan | WR | declared free agent |
| 3/12 | Mike Goodson | RB | declared free agent |
| 3/12 | Matt Giordano | S | declared free agent |
| 3/12 | Omar Gaither | LB | declared free agent |
| 3/12 | Andre Carter | DE | declared free agent |
| 3/12 | Cooper Carlisle | G | declared free agent |
| 3/12 | Desmond Bryant | DT | declared free agent |
| 3/12 | Khalif Barnes | T | declared free agent |
| 2/4 | Duke Calhoun | WR | Taken off IR, right knee |
| 2/4 | Marquette King | P | Taken off IR, toe |
| 2/4 | Shawntae Spencer | CB | Taken off IR, foot |
| 2/4 | Phillip Adams | CB | Taken off IR, groin |
| 2/4 | Richard Seymour | DT | Taken off IR, knee, hamstring |
| 2/4 | Travis Goethel | LB | Taken off IR, torn ACL |
| 2/4 | Zach Hurd | T | Taken off IR, head |
| 2/4 | Jacoby Ford | WR | Taken off IR, foot |
| 2/4 | Mario Kurn | LB | Taken off IR, right knee |
| 1/3 | Isaiah Williams | WR | signed |
| 1/3 | Johnny Jones | DT | signed |
| 1/3 | Jon Hoese | RB | signed |
| 1/2 | Jerrell Harris | LB | signed |
| 1/2 | Mickey Shuler | TE | signed |
| 1/2 | Akwasi Owusu-Ansah | S | signed |
| 1/2 | Jason Slowey | T | signed |
| 1/2 | Jason Foster | G | signed |
| 1/2 | Travionte Session | WR | signed |
| 12/28 | Brandon Bair | DE | Activated from the Practice Squad |
| 12/28 | Cory Nelms | CB | Activated from the Practice Squad |
| 12/28 | Phillip Adams | CB | Placed on IR, groin |
| 12/27 | Richard Seymour | DT | Placed on IR, knee, hamstring |
| More Transactions | |||
