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The Associated Press

USA's Michael Phelps competes in a men's 400-meter individual medley heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012. (AP Photo/David J. Phillip)

Showdown between Lochte and Phelps

Lochte vs. Phelps in the men's 400-Meter Individual Medley.