Former WBC world light-flyweight champion Yudai Shigeoka has officially announced his retirement from professional boxing at ...

Two Japanese boxers have died after sustaining brain injuries from different matches at the same event in Tokyo on Aug. 2.

The deaths of two boxers in Tokyo have renewed scrutiny on rules, ringside care, and protective gear across the sport.

TOKYO—Japanese boxing is at “a crucial moment” and could cease to exist if it does not radically improve safety, the head of ...

A second Japanese boxer has died from brain injuries suffered during separate bouts at the same event in Tokyo.