Japan Boxing Commission, gym owners, officials under pressure to act after Shigetoshi Kotari, Hiromasa Urakawa die following brain surgery.

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.