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
Laila Ali the IWBF Light Heavyweight title to her resume by beating Gwendolyn O'Neil (whom she had earlier canceled a fight against) by a knockout in three rounds, at Atlanta, Georgia. On February 1, 2005, in Atlanta, Ali scored a commanding and decisive eighth-round technical knockout over Cassandra Geiggar in a ten-round fight. On June 11, 2005, on the undercard to the Tyson-Kevin McBride fight, Ali defeated Erin Toughill in round three to remain undefeated and won the World Boxing Council title in addition to defending her WIBA crown. She was the second woman to win a WBC title (Jackie Nava was