Bills' Royal, Greer ruled out against San Francisco
Bills Injury Report - Week 13 (vs SF)
OUT: TE Royal (hamstring), DE Schobel (foot), DT McCargo (back), LB Lehman (hamstring), CB Greer (knee)
DOUBTFUL: SS Whitner (shoulder)
QUESTIONABLE: TE Schouman (hamstring), LB Ellison (ankle)