RIO DE JANEIRO, BRAZIL - AUGUST 09: Michael Phelps (C) of the United States leads Chad le Clos of South Africa (R) and Tamas Kenderesi (L) of Hungary in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Richard Heathcote/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 09: Michael Phelps (C) of the United States is congratulated by Chad le Clos of South Africa (R) in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Richard Heathcote/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 08: Michael Phelps of the United States is congratulated by Tamas Kenderesi of Hungary in the second Semifinal of the Men's 200m Butterfly 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 Quinn Rooney/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 09: Michael Phelps is presented with his 20th Olympic gold medal after winning the men's 200-meter butterfly as Bronze medalist Tamás Kenderesi of Hungary (right) and Masato Sakai of Japan at Rio 2016 on Tuesday, August 9, 2016. (Photo by AAron Ontiveroz/The Denver Post via Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 09: (L-R) Gold medalist Michael Phelps of the United States and bronze medalist Tamas Kenderesi of Hungary congratulate each other on the podium during the medal ceremony for the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)
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