Arizona Cardinals running back William Powell (33) gains yardage as Buffalo Bills strong safety George Wilson (37) defends during the first half of an NFL football game on Sunday, Oct.

 

              Arizona Cardinals running back William Powell (33) gains yardage as Buffalo Bills strong safety George Wilson (37) defends during the first half of an NFL football game on Sunday, Oct.
Arizona Cardinals running back William Powell (33) gains yardage as Buffalo Bills strong safety George Wilson (37) defends during the first half of an NFL football game on Sunday, Oct. 14, 2012, in Glendale, Ariz. (AP Photo/Rick Scuteri)