Shigetoshi Kotari died on Friday and Hiromasa Urakawa on Saturday after being injured in their respective fights in Tokyo on Aug. 2.

Shigetoshi Kotari, 28, had emergency brain surgery last weekend following a fight for the OPBF super-featherweight title

Japanese boxers Shigetoshi Kotari and Hiromasa Urakawa have died from brain injuries suffered during separate fights at an Aug. 2 match in Tokyo.