United States' Michael Phelps, right, and United States' Ryan Lochte pose with their medals for the men's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. Phelps won gold and Lochte silver. (AP Photo/Michael Sohn)

Photo by: Michael Sohn

United States' Michael Phelps, right, and United States' Ryan Lochte pose with their medals for the men's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. Phelps won gold and Lochte silver. (AP Photo/Michael Sohn)