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RIO DE JANEIRO, BRAZIL - AUGUST 09: Travis Stevens of the United States (L) celebrates victory in his Quarterfinal bout against Ivaylo Ivanov of Bulgaria during the Men's -81kg bout on Day 4 of the Rio 2016 Olympic Games at the Carioca Arena 2 on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Ian Walton/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 09:  Travis Stevens of the United States (L) celebrates victory in his Quarterfinal bout against Ivaylo Ivanov of Bulgaria during the Men's -81kg bout on Day 4 of the Rio 2016 Olympic Games at the Carioca Arena 2 on August 9, 2016 in Rio de Janeiro, Brazil.  (Photo by Ian Walton/Getty Images)