LONDON, ENGLAND - AUGUST 04: Gold medallists (L-R) Brendan Hansen, Matthew Grevers, Michael Phelps and Nathan Adrian of the United States pose following the medal ceremony for the Men's 4x100m Meldey Relay Final on Day 8 of the London 2012 Olympic Games at the Aquatics Centre on August 4, 2012 in London, England. (Photo by Al Bello/Getty Images)