Russia's Maria Sharapova celebrates during her match with Marion Bartoli, of France, in the quarterfinals during the 2012 US Open tennis tournament, Wednesday, Sept. 5, 2012, in New York. (AP Photo/Darron Cummings)
Russia's Maria Sharapova celebrates during her match with Marion Bartoli, of France, in the quarterfinals during the 2012 US Open tennis tournament, Wednesday, Sept. 5, 2012, in New York. (AP Photo/Darron Cummings)
associated press Serena Williams reacts during her 6-3, 7-6 (8-6) loss to Marion Bartoli at Wimbledon. Venus Williams also lost, marking the first time the sisters were eliminated from a Grand Slam event on the same day since the French Open in 2008.
Serena Williams of the United States returns a forehand shot to France's Marion Bartoli during their match at the All England Lawn Tennis Championships at Wimbledon, England, on Monday, June 27, 2011. (AP Photo/Anja Niedringhaus)
