** FILE ** In this Dec. 16, 2012, photo, Minnesota Vikings running back Adrian Peterson runs during the third quarter of an NFL game against the St. Louis Rams in St. Louis. Peterson was selected to the Pro Bowl on Wednesday, Dec. 26, 2012. (AP Photo/Seth Perlman, File)

Photo by: Seth Perlman

** FILE ** In this Dec. 16, 2012, photo, Minnesota Vikings running back Adrian Peterson runs during the third quarter of an NFL game against the St. Louis Rams in St. Louis. Peterson was selected to the Pro Bowl on Wednesday, Dec. 26, 2012. (AP Photo/Seth Perlman, File)