Hardest Working Players in the NFL

The league leader in rushing yards despite coming off tears to both the ACL and MCL in his left knee last December, Adrian Peterson is a big reason the surprising Vikings are competing in the difficult NFC North division. "All Day" is without a doubt back in his four-time Pro Bowl form as the only back averaging 100 or more yards per game through nine weeks, and one of only a few running for five or more yards per carry.