In a new NFL era of pass-heavy offenses and running back-by-committee, there are those who believe Emmitt Smith's career rushing record will never be broken.
Adrian Peterson isn't among them.
The Minnesota Vikings star rusher is undaunted by what it would take for him to reach Smith's mark of 18,355 yards. Even though he would have to maintain his career average of 95.1 yards a game for roughly another 6 1/2 seasons to get there -- and avoid another horrific knee injury like the one he suffered last December -- the 27-year-old Peterson strongly believes this is an attainable goal.
Such competitiveness is one of the things that has helped Peterson become one of the NFL's most prolific players since being drafted in 2007. Peterson, though, hasn't let such success go to his head. He has established the All Day Foundation to help at-risk youth and is an active participant in other charitable causes and community outreach.
Peterson also is human -- although his amazingly quick recove...