Minnesota Vikings running back Adrian Peterson sprained ankle is kept outside the game today against the Detroit Lions, Jason La Canfora reports NFL Network. Peterson was injured in the first half of the 27-21 loss to the Oakland Raiders on 20 November. Peterson has missed the last two games in 2010, the second-round pick Toby Gerhart eternal Pro Bowler was replaced in the starting lineup. Gerhart had 38 carries for 135 yards and a touchdown in the last two weeks.
