Seahawks release Williams, add Irvin to roster

Seahawks release Williams, add Irvin to roster
Seattle Seahawks defensive end Bruce Irvin celebrates his team's victory on the sidelines after an NFL wild card playoff football game against the Washington Redskins in Landover, Md., Sunday, Jan. 6, 2013.
RENTON, Wash. (AP) — The Seattle Seahawks released wide receiver Stephen Williams and added linebacker Bruce Irvin to the 53-man roster from roster exempt status Saturday.

Seattle also released defensive tackle Sealver Siliga from the practice squad and signed defensive tackle D'Anthony Smith in his place.

Williams signed a future contract with Seattle on Jan. 31 and played in four games.

The Seahawks (4-0) are at Indianapolis (3-1) on Sunday.