Paid: $11 million
Clijsters retired for two years, but since returning to the court in the summer of 2009 she has won four Grand Slam events. Her $6.5 million in prize money over the past 12-months is the most on the WTA Tour.
(AP Photo/Mark J. Terrill) 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.