Buffalo Bills defensive end Mario Williams wears red contacts during the first half against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y.
Buffalo Bills defensive end Mario Williams wears red contacts during the first half against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. Gary Wiepert AP
Buffalo Bills defensive end Mario Williams wears red contacts during the first half against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. Gary Wiepert AP