WHY BOXING WENT FROM 15 TO 12 ROUNDS. DUK KOO KIM DIES AFTER BOXING RAY BOOM BOOM MANCINI
Kim Duk-koo was a South Korean boxer who died after fighting in a world championship boxing match against Ray Mancini. His death sparked reforms aimed at better protecting the health of fighters, including reducing the number of rounds in championship bouts from 15 to 12