CHRISTOPHE SIMON, AFP/Getty Images
May 17, 2008
Maria Sharapova took over the #1 spot in tennis in May 2008 following the retirement of Justine Henin. The highest-paid athlete in 2006 has won three Grand Slam titles in her career (2004 Wimbledon, 2006 U.S. Open and 2008 Australian Open). She has been in tennis' top ten since her win at Wimbledon. Sharapova endorsements include Sony Ericsson, Canon and Nike.