Kris Boyd, CB, Texas: One of four seventh-round picks, has played 12 games on special teams.
Garrett Bradbury, C, North Carolina State: First-round pick has played every snap at center.
Alexander Hollins, WR, Northern Illinois: Free-agent signee promoted from the practice squad for his first NFL game in Seattle.
Alexander Mattison, RB, Boise State: Third-round pick has played in every game (418 rushing yards) as Dalvin Cook’s backup.
Dru Samia, G, Oklahoma: Fourth-round pick, active for only one game, vs. the Giants.
Cameron Smith, LB, USC: Fifth-round pick played in two games after practice squad promotion, survived waivers after that.