Former Minnesota Vikings running back Adrian Peterson is no longer ... he expected to come from the Vikings. But Peterson was coming off a knee injury that year, and the Vikings declined to ...

Former NFL running back Adrian Peterson has experienced a bit ... but given that he was coming off a knee injury, the team declined to pick up the option, making him a free agent.

Adrian Peterson is one of a number of "revenge games" on Thursday Night Football between the Vikings and Redskins. He's questionable to matchup with his former Minnesota team. Case Keenum will ...