The Seahawks made a roster move at linebacker following a knee injury sustained by Dewey McDonald in Sunday's game, placing McDonald on injured reserve and claiming Justin March-Lillard off waivers from Miami.
March-Lillard, 24, came into the league as an undrafted free agent out of Akron in 2015, and spent his first two seasons with the Chiefs, spending his rookie year on injured reserve. He appeared five games last season, starting all of them, and made 22 tackles and had two passes defensed.
The 6-foot, 227-pound March-Lillard was waived by the Chiefs prior to the start of the season and claimed by Miami, where he appeared in two games, recording one tackle.
McDonald, one of Seattle's top special teams players, sustained an ACL injury on the opening kickoff in Sunday's game at Tennessee.
In addition to those moves, the Seahawks also made a couple of changes to their practice squad. Cornerback Tyvis Powell and tight end Gabe Holmes were released from the practice squad, and Seattle signed receiver K.J. Brent and defensive end Branden Jackson. Brent, who is 6-foot-3, 202 pounds, signed with the Raiders as an undrafted free agent out of Wake Forrest in 2016 and spent last season on Oakland's practice squad. Jackson, who is 6-4, 273 pounds, also signed with Oakland as an undrafted free agent in 2016, and after spending most of the season on the practice squad, he was added to the roster in December, appearing in three games.
Team photographer Rod Mar shares exclusive behind-the-scenes images from the Seahawks' game against the Tennessee Titans during Week 3 at Nissan Stadium.