Power 100 rank: 9
Rank last year: 4
Sport: MLB/St. Louis Cardinals—1B
Most recent notable achievement: 2010 Gold Glove and 2010 NL Home Run Champion
Earnings: $23.5 million
Key sponsors: Nike
Why he's on the list: Perhaps the best player in baseball, Albert Pujols may end up as a free agent this year if the Cardinals don't come up with some big money. In the meantime, Pujols has been cashing in on endorsements, drawing an estimated $8 million worth last year.