Arizona Cardinals
2012
| Date | Transaction |
| 06/11/2012 | Conrad Obi - Cut from Cardinals |
| 06/11/2012 | Jamell Fleming - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 06/11/2012 | Michael Floyd - Signed / draft choice to Cardinals - Four-year contract (fifth-year option) |
| 06/11/2012 | Vonnie Holliday - Re-signed / unrestricted free agent for Cardinals - One-year contract (through 2012) |
| 06/05/2012 | Broderick Binns - Cut from Cardinals |
| 06/05/2012 | Clark Haggans - Re-signed / unrestricted free agent for Cardinals - One-year contract (through 2012) |
| 05/31/2012 | Korey Lindsey - Acquired from waivers to Colts |
| 05/30/2012 | Gino Crump - Signed to Cardinals |
| 05/30/2012 | Korey Lindsey - Cut from Cardinals |
| 05/24/2012 | Marc Wilson - Cut from Cardinals |
| 05/24/2012 | Quentin Groves - Signed / unrestricted free agent to Cardinals |
| 05/17/2012 | Nate Potter - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 05/16/2012 | Landon Cohen - Signed to Cardinals - One-year contract (through 2012) |
| 05/15/2012 | Bobby Massie - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 05/15/2012 | Senio Kelemete - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 05/15/2012 | Ryan Lindley - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 05/15/2012 | Justin Bethel - Signed / draft choice to Cardinals - Four-year contract (through 2015) |
| 05/14/2012 | Eddie Elder - Signed to Cardinals |
| 05/14/2012 | Ricky Schmitt - Signed to Cardinals |
| 05/14/2012 | Javarris James - Signed to Cardinals - One-year contract (through 2012) |
| 05/14/2012 | Larry Parker - Signed to Cardinals |
| 05/10/2012 | Calais Campbell - Re-signed to Cardinals - Five-year contract (through 2016) |
| 04/30/2012 | Broderick Binns - Signed to Cardinals |
| 04/30/2012 | Blake Gideon - Signed to Cardinals |
| 04/30/2012 | Scott Wedige - Signed to Cardinals |
| 04/30/2012 | Rex Hadnot - Signed to Chargers - One-year contract (through 2012) |
| 04/30/2012 | Colin Parker - Signed to Cardinals |
| 04/30/2012 | Paul Vassallo - Signed to Cardinals |
| 04/30/2012 | Marc Wilson - Signed to Cardinals |
| 04/30/2012 | James Nixon - Signed to Cardinals |
| 04/30/2012 | Braeden Clayson - Signed to Cardinals |
| 04/30/2012 | Tevita Finau - Signed to Cardinals |
| 04/30/2012 | Marcus McGraw - Signed to Cardinals |
| 04/30/2012 | Conrad Obi - Signed to Cardinals |
| 04/30/2012 | Blake DeChristopher - Signed to Cardinals |
| 04/30/2012 | Zack Nash - Signed to Cardinals |
| 04/30/2012 | Jared Crank - Signed to Cardinals |
| 04/30/2012 | LaRon Byrd - Signed to Cardinals |
| 04/30/2012 | Tre Gray - Signed to Cardinals |
| 04/30/2012 | Stanley Arukwe - Signed to Cardinals |
| 04/16/2012 | LaRod Stephens-Howlin - Re-signed / restricted free agent to Cardinals - One-year contract (through 2012) |
| 04/16/2012 | Rashad Johnson - Re-signed / restricted free agent to Cardinals - One-year contract (through 2012) |
| 04/16/2012 | Ronald Talley - Re-signed / exclusive rights free agent Cardinals |
| 04/16/2012 | Brandon Williams - Re-signed / exclusive rights free agent Cardinals |
| 04/16/2012 | Richard Bartel - Re-signed / exclusive rights free agent Cardinals |
| 04/16/2012 | Alfonso Smith - Re-signed / exclusive rights free agent Cardinals |
| 04/16/2012 | Greg Toler - Re-signed / restricted free agent to Cardinals - One-year contract (through 2012) |
| 04/06/2012 | Deuce Lutui - Signed / unrestricted free agent to Seahawks - One-year contract (through 2012) |
| 04/05/2012 | James Sanders - Signed / unrestricted free agent to Cardinals - One-year contract (through 2012) |
| 04/04/2012 | Dave Zastudil - Re-signed / unrestricted free agent for Cardinals - Two-year contract (through 2013) |
| 03/26/2012 | Reggie Walker - Re-signed / unrestricted free agent for Cardinals - Two-year contract (through 2013) |
| 03/26/2012 | Mike Leach - Re-signed / unrestricted free agent for Cardinals - Three-year contract (through 2014) |
| 03/25/2012 | William Gay - Signed / unrestricted free agent to Cardinals - Two-year contract (through 2013) |
| 03/23/2012 | Jay Feely - Re-signed / unrestricted free agent for Cardinals - Two-year contract (through 2013) |
| 03/23/2012 | D'Anthony Batiste - Re-signed / unrestricted free agent for Cardinals - One-year contract (through 2012) |
| 03/23/2012 | Sean Considine - Signed / unrestricted free agent to Ravens - One-year contract (through 2012) |
| 03/20/2012 | Early Doucet - Re-signed / unrestricted free agent for Cardinals - Two-year contract (through 2013) |
| 03/17/2012 | Rex Hadnot - Cut from Cardinals |
| 03/16/2012 | Chansi Stuckey - Cut from Cardinals |
| 03/16/2012 | Levi Brown - Re-signed / unrestricted free agent for Cardinals - Five-year contract (through 2016) |
| 03/15/2012 | Kris O'Dowd - Signed to Jets |
| 03/15/2012 | Richard Marshall - Signed / unrestricted free agent to Dolphins - Three-year contract (through 2014) |
| 03/14/2012 | Adam Snyder - Signed / unrestricted free agent to Cardinals - Five-year contract (through 2016) |
| 03/13/2012 | Greg Toler - |
| 03/13/2012 | LaRod Stephens-Howlin - |
| 03/13/2012 | Early Doucet - Declared free agent |
| 03/13/2012 | Mike Leach - Declared free agent |
| 03/13/2012 | Jay Feely - Declared free agent |
| 03/13/2012 | Deuce Lutui - Declared free agent |
| 03/13/2012 | Sean Considine - Declared free agent |
| 03/13/2012 | Reggie Walker - Declared free agent |
| 03/13/2012 | Joey Porter - Declared free agent |
| 03/13/2012 | Chester Taylor - Declared free agent |
| 03/13/2012 | Vonnie Holliday - Declared free agent |
| 03/13/2012 | Brandon Keith - Declared free agent |
| 03/13/2012 | Richard Marshall - Declared free agent |
| 03/13/2012 | Max Hall - Declared free agent |
| 03/13/2012 | Hamza Abdullah - Declared free agent |
| 03/13/2012 | Floyd Womack - Declared free agent |
| 03/13/2012 | Clark Haggans - Declared free agent |
| 03/13/2012 | Dave Zastudil - Declared free agent |
| 03/13/2012 | Rashad Johnson - |
| 03/13/2012 | Levi Brown - Cut from Cardinals |
| 03/09/2012 | A.J. Jefferson - Re-signed to Cardinals |
| 03/09/2012 | Stephen Williams - Re-signed to Cardinals |
| 03/02/2012 | Calais Campbell - |