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Jonathan Guzman (L) of the Dominican Republic punches Shingo Wake of Japan during their IBF super-bantam weight title boxing bout in Osaka, western Japan on July 20, 2016. / AFP / JIJI PRESS / STR / Japan OUT (Photo credit should read STR/AFP via Getty Images)

Jonathan Guzman (L) of the Dominican Republic punches Shingo Wake of Japan during their IBF super-bantam weight title boxing bout in Osaka, western Japan on July 20, 2016. / AFP / JIJI PRESS / STR / Japan OUT        (Photo credit should read STR/AFP via Getty Images)

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Shingo Wake (L) of Japan staggers after receiving a punch from Jonathan Guzman of the Dominican Republic during their IBF super-bantam weight title boxing bout in Osaka, western Japan on July 20, 2016. / AFP / JIJI PRESS / STR / Japan OUT (Photo credit should read STR/AFP via Getty Images)

Shingo Wake (L) of Japan staggers after receiving a punch from Jonathan Guzman of the Dominican Republic during their IBF super-bantam weight title boxing bout in Osaka, western Japan on July 20, 2016. / AFP / JIJI PRESS / STR / Japan OUT        (Photo credit should read STR/AFP via Getty Images)