FILE - In this Sept. 7, 2014, file photo, Minnesota Vikings running back Adrian Peterson warms up for an NFL football game against the St. Louis Rams in St. Louis.
FILE - In this Sept. 7, 2014, file photo, Minnesota Vikings running back Adrian Peterson warms up for an NFL football game against the St. Louis Rams in St. Louis. Tom Gannam AP
FILE - In this Sept. 7, 2014, file photo, Minnesota Vikings running back Adrian Peterson warms up for an NFL football game against the St. Louis Rams in St. Louis. Tom Gannam AP