When you think of Emmitt Smith these days, you may think of his dance-floor moves on "Dancing With the Stars."
However, if you followed the NFL in the '90s and early 2000s, you know that Emmitt was one of the best running backs to ever play the game. Imagine running in the NFL for 15 years and having the bragging rights that come with owning three Super Bowl rings, a league MVP trophy and the NFL's all-time rushing record. That's Emmitt.
If anyone knows who the hardest-working players are in the NFL today, it's the Hall of Fame running back.
Check out our video above to see who Emmitt's top-five hardest working players are in 2012. Let us know in the comments below if you agree, disagree or have more to add.