A thrilling fight turns tragic as challenger Duk-Koo Kim collapses moments after his fight against Ray “Boom-Boom” Mancini. The fight for the WBA Lightweight Title at Cesar’s Palace in Las Vegas was a classic battle as the two fighters traded blows for 14 rounds. The champion, Mancini, took control of the fight in the 13th round with a flurry of punches. In the 14th round, Ray Mancini again took control as referee Richard Green stopped the bout at 19 seconds. Kim, who fought a valent fight, would not recover, dying five days later. The tragedy would lead to reform in boxing, as championship fights were shortened from 15 rounds to 12.