The Seattle Seahawks have announced the addition of twelve undrafted free agents.

They are . . . Jamar Adams, S, Michigan; Donovan Alexander, CB, North Dakota; Travis Brown, WR, New Mexico; Michael Bumpus, WR, Washington State; Matt Castelo, LB, San Jose State; Dustin Dickinson, G, Houston; DeMichael Dizer, CB, Grambling; David Hawthorne, LB, Texas Christian; Kelin Johnson, S, Georgia; William Robinson, OT, San Diego State; Anthony Russo, WR, Washington; and Eric Wicks, S, West Virginia.