Adrian Peterson had a season of a lifetime in 2012, running for 2,097 yards and 12 touchdowns.
Is he the MVP? He should be, considering that in an era where the passing game is king, he has ruled the ground—which is especially impressive coming off of a torn ACL just a little more than one year ago.
But where does Peterson's season rank among the greatest seasons by a running back in the history of the NFL?
Here's a look at the top five most impressive single season rushing performances in NFL history. You will notice it's not a list of the five best rushing seasons in NFL history (you could see the full list here via pro-football-reference.com). Instead I'm ranking these based off of how impressive the back was in his amazing season.