NFL: Emmitt Smith on his time in the NFL and how the league has changed

Emmitt Smith is the NFL’s all time leading rusher, a former league MVP, and a three time Super Bowl Champion with the Dallas Cowboys. Many of the NFL scouts thought that Emmitt was too small and too slow but 17 years after retiring he is still the league's leading rusher. Looking at today's game is there anyone that has a shot at taking his title?

Emmitt was that rare blend of productivity, durability and longevity. It seems as if he was always on the field and always making plays. In a recent study the average career length of a running back in the NFL was 2.5 years. Emmitt had 15 successful seasons in the league. What led to Emmitt Smith having such a long and illustrious career? How has the NFL changed since Emmitt Smith last took the field? The Pro Football Hall-of-Famer joins Sports Illustrated’s Kaitlin O’Toole to discuss his time in the league and how the NFL has changed.