RIO DE JANEIRO, BRAZIL - AUGUST 08: Michael Phelps of the United States competes in the Men's 200m Butterfly heat on Day 3 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Michael Phelps of the United States competes in the Men's 200m Butterfly heat on Day 3 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Michael Phelps of the United States competes in the Men's 200m Butterfly heat on Day 3 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Michael Phelps of the USA competes in the Men's 200m Butterfly Heats on Day 3 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 8, 2016 in Rio de Janerio, Brazil. (Photo by Vaughn Ridley/Getty Images)
