Minnesota Vikings running back Adrian Peterson, left, runs for a 13-yard gain as St. Louis Rams defensive tackle Kendall Langford defends during the second quarter of an NFL football ga

 

              Minnesota Vikings running back Adrian Peterson, left, runs for a 13-yard gain as St. Louis Rams defensive tackle Kendall Langford defends during the second quarter of an NFL football ga
Minnesota Vikings running back Adrian Peterson, left, runs for a 13-yard gain as St. Louis Rams defensive tackle Kendall Langford defends during the second quarter of an NFL football game Sunday, Dec. 16, 2012, in St. Louis. (AP Photo/Tom Gannam)