Andrija Prlainovic of Serbia shoots against Australia during a men's quarterfinal water polo match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. Serbia won 11-8. (AP Photo/Julio Cortez)
Stacie Powell of Great Britain competes in the Women's 10m Platform Diving Preliminary at the Aquatics Centre. Al Bello/Getty Images
Chanatip Sonkham (R) of Thailand competes against Elizabeth Zamora Gordillo of Guatemala during the Women's -49kg Taekwondo bronze medal match at ExCeL. Hannah Johnston/Getty Images
Aries Merritt of the United States celebrates after winning gold in the Men's 110m Hurdles Final. Clive Brunskill/Getty Images
Brittney Reese of the U.S. reacts after winning the women's long jump final at the Olympic Stadium. Mark Blinch/Reuters
Simon Delestre of France rides his horse Napoli Du Ry in the equestrian individual jumping competition. Dmitry Lovetsky/AP Photo
Lazaro Borges of Cuba's pole snaps as he competes in the Men's Pole Vault Qualifications. Quinn Rooney/Getty Images
Germany's Matthias Steiner is injured while his weights fall during the men's +105kg Group A snatch weightlifting competition at ExCel. Grigory Dukor/Reuters
Michael Knudsen of Denmark in action during the Men's quarter-final match between Sweden and Denmark. Ian Walton/Getty Images
United States' Allyson Felix, second from right, crosses the finish line to win gold ahead of Jamaica's Shelly-Ann Fraser-Pryce, right, in the women's 200-meter final. Matt Dunham/AP Photo