Argentina's Luciano De Cecco (L) spikes as Australia's Aidan Zingel (R) and Igor Yudin attempt to block during the men's volleyball match between Australia and Argentina of the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV
Gabrielle Douglas of the U.S. performs on the balance beam during the women's gymnastics qualification at the North Greenwich Arena during the London 2012 Olympic Games July 29, 2012. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT GYMNASTICS OLYMPICS TPX IMAGES OF THE DAY)
Kelci Bryant and Abigail Johnston (L) of the U.S. hug after winning silver at the women's synchronised 3m springboard final during the London 2012 Olympic Games at the Aquatics Centre July 29, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT DIVING)