Derek Jeter

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Derek Jeter

Power 100 rank: 33
Sport: MLB/New York Yankees—SS
Age: 35
Most recent notable achievement: 2009 Sports Illustrated Sportsman of the Year
Earnings: $30 million
Key sponsors: Nike, Gillette, Ford

Why he's on the list: For years, Captain Clutch's reputation exceeded his performance, but 2009 was a return to form for the Yankee shortstop. Not coincidentally he ended the year with his fifth championship.