US swimmer Michael Phelps celebrates vic
US swimmer Michael Phelps celebrates victory in the men’s 4 x 100m medley relay swimming final at the National Aquatics Center during the 2008 Beijing Olympic Games in Beijing on August 17, 2008. Michael Phelps became the first man to win eight gold medals at the same Olympics when the US won the men’s 4x100m medley relay final in a new world record time. AFP PHOTO / MARTIN BUREAU (Photo credit should read MARTIN BUREAU/AFP/Getty Images)