Power 100 rank: 89
Rank last year: 19
Sport: MLB/Minnesota Twins—C
Age: 27
Most recent notable achievement: 2010 All-Star and Gold Glove winner
Earnings: $15.5 million
Key sponsors: Gatorade, Rawlings, Pepsi, Nike

Why he's on the list: Joe Mauer has been a baseball and advertising golden boy since his rookie season. In March he signed the richest contract a catcher has ever inked in Major League Baseball, worth $184 million. In 2010 Mauer posted the American League's third-highest batting average.