Photos:What a shot! 100 amazing sports moments from 2016
South African swimmer Chad Le Clos glances at US swimmer Michael Phelps during the Olympic final of the 200-meter butterfly on Tuesday, August 9. Phelps, the most decorated Olympian of all time, won the race for his 20th career gold medal. He avenged one of the few losses of his Olympic career -- a second-place finish to Le Clos in 2012. Le Clos finished fourth.