Las Vegas Sun

February 7, 2016

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In this Sunday, Aug. 10, 2014, photo, Michael Phelps swims the butterfly in the men's 200-meter individual medley final at the U.S. nationals of swimming in Irvine, Calif.

Mark J. Terrill / AP

In this Sunday, Aug. 10, 2014, photo, Michael Phelps swims the butterfly in the men's 200-meter individual medley final at the U.S. nationals of swimming in Irvine, Calif.