According to the Associated Press, "Oklahoma defensive end John Williams had surgery Tuesday to repair a torn Achilles' tendon and will miss the rest of the season... Williams started three of No. 3 Oklahoma's first four games and had recorded one sack and four tackles for a loss before he was injured in the third quarter of last Friday's game at Tulsa." How much will his loss hurt that Sooners defense?
Oklahoma DE Williams has season-ending Achilles surgery; RB Brown could return - NCAA Football - Yahoo! Sports