The Seahawks announced roster changes on Tuesday, signing undrafted rookie wide receiver Nate McCollum and waiving guard Sala Aumavae-Laulu to accommodate him. McCollum, who played at Georgia Tech and North Carolina, recorded 75 catches for 778 yards and four touchdowns in Atlanta, and 68 catches for 743 yards and a touchdown in Chapel Hill. With McCollum’s addition, the Seahawks now have five rookie wideouts, including Tory Horton, Ricky White III, Montorie Foster Jr., and Tyrone Broden.
