OAKLAND, CA - DECEMBER 21: Mario Williams #94 of the Buffalo Bills walks on the sidelines during pregame against the Oakland Raiders at O.co Coliseum on December 21, 2014 in Oakland, California. (Photo by Thearon W. Henderson/Getty Images)
OAKLAND, CA - DECEMBER 21: Mario Williams #94 of the Buffalo Bills walks on the sidelines during pregame against the Oakland Raiders at O.co Coliseum on December 21, 2014 in Oakland, California. (Photo by Thearon W. Henderson/Getty Images)