Seattle Seahawks Transactions - 2013
| JUNE | |
| DATE | TRANSACTION |
| June 14, 2013 | Agreed to terms with QB Tarvaris Jackson on a one-year contract. |
| June 4, 2013 | Signed WR Arceto Clark. Released DT Myles Wade. |
| MAY | |
| DATE | TRANSACTION |
| May 30, 2013 | Signed CB Tharold Simon and OT Michael Bowie. |
| May 30, 2013 | Released WR Matt Austin and G Jordon Roussos. Signed WR Greg Herd. Claimed DT Michael Brooks off waivers from Detroit. |
| May 28, 2013 | Waived-injured TE Anthony McCoy. Signed OT Jake Bscherer. |
| May 23, 2013 | Signed WR Justin Veltung. |
| May 21, 2013 | Waived QB Josh Portis. |
| May 20, 2013 | Signed TE Darren Fells and RB Christine Michael to multiyear contracts. Released LS Adam Steiner. |
| May 16, 2013 | Signed FB Spencer Ware to a multiyear contract. |
| May 14, 2013 | Waived CB Chandler Fenner. Claimed LS Adam Steiner off waivers from Oakland. |
| May 13, 2013 | Released LB Ramon Buchanon. Signed TE Victor Marshall and DE Benson Mayowa. |
| May 10, 2013 | Signed DT Jordan Hill, WR Chris Harper, DT Jesse Williams, TE Luke Willson, G Ryan Seymour, LB Ty Powell, G Jared Smith, WR Matt Austin, OT Alvin Bailey, DE Kenneth Boatright, LB Ramon Buchanan, LB John Lotulelei, S Ray Polk, G Jordon Roussos and LB Craig Wilkins to multiyear contracts. |
| APRIL | |
| DATE | TRANSACTION |
| April 28, 2013 | Agreed to terms with WR Matt Austin, OT Alvin Bailey, DE Kenneth Boatright, LBs Craig Wilkins, Ramon Buchanan and John Lotulelei, S Ray Polk, G Jordon Roussos and RB Dominique Whaley. |
| April 24, 2013 | Signed QB Jerrod Johnson. |
| April 22, 2013 | Agreed to terms with S Kam Chancellor on a contract extension through the 2017 season. Named Eric Mastalir chief commercial officer for the Seahawks, Seattle Sounders FC and First & Goal, Inc. |
| April 19, 2013 | Re-signed PK Steven Hauschka. |
| April 18, 2013 | Released LB Dexter Davis. |
| April 17, 2013 | Signed CB Antoine Winfield. |
| April 17, 2013 | Waived DE Dexter Davis. |
| April 11, 2013 | Signed QB Brady Quinn. Signed S Chris Maragos to a restricted free-agent tender. |
| April 9, 2013 | Agreed to terms with QB Brady Quinn. |
| April 8, 2013 | Signed WR Brett Swain to a two-year contract. |
| April 3, 2013 | Re-signed DT Clinton McDonald to a one-year contract. Signed QB Josh Portis to a two-year contract and DT Tony McDaniel. |
| April 1, 2013 | Traded QB Matt Flynn to Oakland for a 2014 fifth-round draft pick and a conditional 2015 draft pick. |
| MARCH | |
| DATE | TRANSACTION |
| March 16, 2013 | Signed DE Michael Bennett. |
| March 15, 2013 | Signed DE Cliff Avril to a multiyear contract. |
| March 6, 2013 | Signed TE Darren Fells. |
| FEBRUARY | |
| DATE | TRANSACTION |
| February 13, 2013 | Signed CB Will Blackmon. |
| JANUARY | |
| DATE | TRANSACTION |
| January 26, 2013 | Named Matt Thomas as vice president/football administration. |
| January 18, 2013 | Named Dan Quinn defensive coordinator. |
| January 16, 2013 | Signed WR Phil Bates, WR Bryan Waters, LB Kyle Knox, DB Ron Parker, DB Chandler Fenner, RB Derrick Coleman, TE Cooper Helfet, DT Myles Wade, WR Stephen Williams and LB Korey Toomer to future contracts. |
| January 9, 2013 | Placed DE Chris Clemons and PK Steven Haushka on injured reserve. Signed DE Patrick Chukwurah and PK Ryan Longwell. |
| January 4, 2013 | Reinstated CB Brandon Browner from the suspended list. |
