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The tennis star "doesn't care what people think."
Here's how he's staying on top of his game.
Find out which favorite athletes made the cut.
What is King James doing with that Body Blade?
The former Cowboys QB looks like he could still dominate the gridiron.
The Knicks big man is taking his workouts to the next level with boxing.
The Dodgers rookie is ripping up the Major Leagues.
The league is teaming up with the Three Stripes for 2017-18.