Arizona Cardinals' Reggie Walker (56) and Calais Campbell (93) celebrate a sack against the Detroit Lions Matthew Stafford during the second half in an NFL football game on Sunday Dec.

 

              Arizona Cardinals
Arizona Cardinals' Reggie Walker (56) and Calais Campbell (93) celebrate a sack against the Detroit Lions Matthew Stafford during the second half in an NFL football game on Sunday Dec. 16, 2012, in Glendale, Ariz. The Cardinals defeated the Lions 38-10. (AP Photo/Ross D. Franklin)