Pan Zhanle did something incredible on Wednesday during the men’s 100-meter freestyle swim. The 19-year-old didn't just break the world record, he smashed it by 0.4 seconds and won by a full body length. However, this amazing feat has stirred up a lot of controversy.

Kyle Chalmers from Australia and David Popovici from Romania finished second and third. Right after the race, Chalmers looked at Popovici and seemed to say "doping," suggesting that Pan might have used performance-enhancing ...