Phelpssilverlondon-4x100freestylerelay

On July 29, 2012, at the London Olympics, Michael Phelps, left, was back in action, and back cheering on teammates with Nathan Adrian during the men's 4 x 100-meter freestyle final. The U.S. team of Phelps, Adrian, Cullen Jones and Ryan Lochte finished second for Phelps' first-ever silver... Kyle Terada-USA TODAY Sports
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