Mike Ehrmann/Getty ImagesLeBron James returns to Cleveland with the chance to go down as one of best players ever.
He's a 6'8", 250-pound man who moves like a point guard. He's a once-in-a-generation genetic freak.
But it's his work ethic that has turned that genetic potential into results on the court.
From late-night workout sessions to teaching himself how to play power forward, LeBron is the perfect example of someone who's fully maximizing his genetic gifts.