Bob Bowman, left, answers a question as Michael Phelps looks on at a news conference at the Arena Pro Swim Series swim meet in Charlotte, N.C.
Michael Phelps swims the butterfly during the 4x100m medley relay on Saturday. (FABRICE COFFRINI, AFP/Getty Images)
Matthew Grevers, Michael Phelps and Brendan Hansen react after winning gold in the men’s 4x100m medley relay. (FABRICE COFFRINI, AFP/Getty Images)
Michael Phelps leaves the pool at the end of the men’s 200-meter butterfly at the London Olympics. (AFP/Getty Images)
Michael Phelps competes in the men’s 200m butterfly. (AFP/Getty Images)
Michael Phelps competes in the men’s 200m butterfly heat. (AFP/Getty Images)
Michael Phelps rests after completing the semifinals of the 200-meter freestyle at the FINA World Championships in Shanghai. (AFP/Getty Images)
Michael Phelps gets ready to compete in the semifinals of the 200-meter freestyle at the FINA World Championships in Shanghai. (AFP/Getty Images)
