Paid: $25 million
Sharapova bounced back on the court in 2011 after struggling with injuries in recent years. She reached the Wimbledon finals in July, her first Grand Slam in more than three years. Her Nike deal is one of the biggest in sports.
(AP Photo/Marcio Jose Sanchez) More From Forbes: The World’s Top Sports Brands What Makes People Powerful? America’s Favorite Sports Mascots The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.