EDEN PRAIRIE, Minn. - Adrian Peterson is again proving his amazing recuperative powers.

Peterson returned to practice Friday for the Minnesota Vikings with a sprained right foot, but his status for Sunday's game against the Eagles is questionable.

Peterson practiced after being held out on Wednesday and Thursday. The league's second-leading rusher with 1,221 yards spent the earlier part of the week in a walking boot and was restricted to work in a pool before Friday.

"Like our medical people mentioned to me on Monday, he's so different than everybody else when it comes to recovering from injuries," Minnesota coach Leslie Frazier said. "We've been in situations in the past where you thought he wouldn't make it and then he made it. It was always in the back of my mind there was a chance he'd make it. He's amazing."

Frazier and Peterson wouldn't say if the MVP running back would play Sunday, both appeared optimistic, but Frazier said the decision could go until game time.

"I feel pretty confident," Peterson said. "I feel pretty good. I'm excited I feel the way I do, based off the injury and the time I've had to kind of rejuvenate that body and rehab the foot to get the strength back."