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RIO DE JANEIRO, BRAZIL - AUGUST 12: Joseph Schooling of Singapour celebrates his victory with Michael Phelps of United States after the final men's 100m Butterfly at Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Xavier Laine/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 12: Joseph Schooling of Singapour celebrates his victory with Michael Phelps of United States after the final men's 100m Butterfly at Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Xavier Laine/Getty Images)
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Getty Images Sport Xavier Laine