Venus Williams

The two-time gold medalist crashed out in the round of 16. (Elise Amendola/AP)

The two-time gold medalist crashed out in the round of 16. (Elise Amendola/AP)

Venus Williams of the United States screams during her match against Aleksandra Wozniak of Canada at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Tuesday, July 31, 2012. (AP Photo/Elise Amendola)