Most Dominant Year: 2011

A 99 Speed rating. A 99 Acceleration rating. The Titans running back is entering just his fourth year in the league, but he's already established himself as the league's nastiest home run threat. That's been reflected in his ratings the past three years. If there's one rusher you don't want to face online, it's CJ2K, who's capable of taking a handoff, scooting up the middle, and wrecking your picture-perfect win. Then again, if he's on your team, it's not so bad at all.

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