Adrian Peterson suffered the dreaded ACL injury at the end of the 2011-12 season.  This injury once known to be a career killer, didn’t stand a chance against the best back in the NFL.  AD not only came back from surgery, he became better and faster than before as he raced to 2000 yards in a single season falling just 9 yards short of breaking Eric Dickersons single season rushing yards record.    Read about the man they call “All Day” and the Minnesota Vikings as they prepare for the NFC wildcard game against the Green Bay Packers.  http://espn.go.com/blog/nfcnorth/post/_/id/51828/final-word-vikings-packers