Rookie linebacker Ramon Buchanan, who was signed as a free agent after the NFL Draft, was released.
The 6-foot-4, 235-pound Marshall played at the University of British Columbia and Simon Fraser University in Canada after attending Juanita High School in Kirkland. He caught 40 passes in 2009 while at Simon Fraser and had 10 receptions in 2010 for UBC.
Mayowa, a 6-3, 236-pounder, played the University of Idaho. He had three sacks among his 19 tackles last season.
More Sports Headlines
deKubbers to be inducted into Snohomish County Sports Hall of Fame Seahawks' Carroll: "We never should have lost that game" 6:56 a.m. Walker leads Mariners to 10-1 victory over Angels Huskies freshman RB Gaskin works his way up UW's depth chart Knee injury ends freshman season of Huskies' Joyner Mariners’ Cano still feels pinch from abdominal strain Community sports: Bulletin board Sounders’ Torres has season-ending knee injury
Our new comment system is not supported in IE 7. Please upgrade your browser here.