Michael Phelps swims in the men's 100-meter butterfly final at the U.S. Olympic swimming trials, Saturday, July 2, 2016, in Omaha, Neb. Phelps won the race.
Michael Phelps swims in the men's 100-meter butterfly final at the U.S. Olympic swimming trials, Saturday, July 2, 2016, in Omaha, Neb. Phelps won the race. Mark J. Terrill AP
Michael Phelps swims in the men's 100-meter butterfly final at the U.S. Olympic swimming trials, Saturday, July 2, 2016, in Omaha, Neb. Phelps won the race. Mark J. Terrill AP