Finding a smaller tailback with field vision, quick footwork and the mechanics to sneak his way around his blocks isn't much of a rarity. Nor is it a hot, essential commodity to a team's success. But sometimes, having an undersized running back can play well to a team's strength.
Even if that team has notably been coined of having a lethal passing attack as opposed to a subpar running game — before the arrival of a certain Alabama running back in 2013, at least.
A 5'7", 197-pound "undersized" running back is exactly what the Packers got when they signed Troy's DuJuan Harris to their practice squad in October of 2012.