Adrian Peterson

Adrian Peterson says his left knee has been a little sore and stiff this week after a successful season opener for Minnesota.

Minnesota Vikings running back Adrian Peterson says he hopes his recovery inspires “a lot of people” to keep a positive attitude toward the injury.

Rookie Blair Walsh kicked four field goals, including a 55-yarder as regulation time expired and another one in overtime, and Adrian Peterson returned from a left knee injury to lift the Minnesota Vikings to a 26-23 victory over the Jacksonville Jaguars on Sunday.

The Minnesota Vikings have Adrian Peterson on their active roster for the season opener against Jacksonville.

The Minnesota Vikings are willing to wait until game time to determine whether running back Adrian Peterson plays in the season opener against Jacksonville.

Try to find two running backs in the NFL right now that are more valuable to their teams than Adrian Peterson and Maurice Jones-Drew.

Adrian Peterson hasn't wavered in his mindset all summer. He says he's ready to play for Minnesota in the season opener.

MANKATO, Minn. (AP) - The Minnesota Vikings have activated running back Adrian Peterson from the physically unable to perform list Sunday, with coach Leslie Frazier saying Peterson had done everything in his rehab that could be done working by himself...