The distance (boxing) 19, 1987. While the International Boxing Federation, which had recently broken away from the WBA, continued to hold onto the position there was no documented medical evidence to show a 15-round fight is more dangerous than a 12-round fight, they eventually voted to shorten their championship distance to 12 rounds as well on June 3, 1988. The last heavyweight 15-rounder title fight was on October 16, 1987 between Mike Tyson and Tyrell Biggs. The last middleweight 15-rounder title fight was a World Boxing Board title match on June 7, 1997 in which Jose Alfredo Flores won a split decision over
Boxing at the 2015 Pan American Games – Women's light heavyweight rounds "10-point must" scoring system used in the pro game, where the winner of each round must be awarded 10 points and the loser a lesser amount. AIBA officials are waiting to see how things go in the men's game before making a decision to take head gear off women fighters. Five judges scored each bout. The winner will be the boxer who scored the most at the end of the match. Boxing at the 2015 Pan American Games – Women's light heavyweight The light heavyweight competition of the boxing events at the 2015 Pan American Games in Toronto, Ontario,