Japanese boxers Shigetoshi Kotari and Hiromasa Urakawa have died following brain injuries sustained while competing on the same card, although in different fights, at Korakuen Hall in Tokyo on Aug. 2.

Kotari, 28, went to a 12-round draw against Oriental and Pacific Boxing Federation junior lightweight champion Yamato Hata and lost consciousness shortly after the fight. He underwent brain surgery to treat a subdural hematoma, in which blood collects between the skull and the brain. On Friday, it was announced he had died as a result of the injury.

"Rest in peace, Shigetoshi Kotari," the World Boxing Organization wrote on social media. "The boxing world mourns the tragic passing of Japanese fighter Shigetoshi Kotari, who succumbed to injuries sustained during his August 2nd title fight. A

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