U.S. swimmer Michael Phelps throws his swim cap into the crowd after receiving his silver medal in the men's 100m butterfly final at the World Aquatic Championships in Montreal July 30, 2005. U.S. swimmer Ian Crocker took the gold medal and set a new world record with a time of 50.40 seconds, and Andriy Serdinov of the Ukraine took the bronze. REUTERS/Jason Reed JPM/DH