Watch Michael Phelps wins 21st Olympic gold medal at Rio By admin August 10, 2016 Catch Michael Phelps wins 21st Olympic gold medal. Michael Phelps wins 21st Olympic gold medal as U.S. dominates 4x200-meter freestyle relay. #USABasketball cheering on Phelps. https://t.co/EFxi4YuP5o — Finish Line (@FinishLine) August 10, 2016 Read more