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
NWA World Historic Light Heavyweight Championship the new NWA World Historic Light Heavyweight Championship belt and named El Texano Jr., the final CMLL-recognized NWA World Light Heavyweight Champion, as the inaugural champion. The current champion is Stuka Jr., who defeated Hechicero to win the championship on August 14, 2018. This is Stuka Jr.'s first title reign; his current reign is the seventh in the title's history. All title matches take place under best two-out-of-three falls rules. The first light heavyweight division professional wrestling championship recognized in Mexico was the Mexican National Light Heavyweight Championship, created in 1942, sanctioned by the Mexico City boxing and wrestling commission