Two Japanese boxers have died from brain injuries sustained in separate bouts on the same card at Tokyo’s Korakuen Hall.

Shigetoshi Kotari and Hiromasa Urakawa, both 28, died after sustaining brain injuries during separate bouts on the same card at Tokyo's Korakuen Hall.

Japanese boxers Shigetoshi Kotari and Hiromasa Urakawa have died following injuries sustained on the same card, though in different fights, on Aug. 2.