World Boxing Organization (as they did with several established champions in the lower weight divisions), the WBO sanctioned a fight between two relatively unknown fighters, Francesco Damiani (winner of the super heavyweight silver medal at the 1984 Summer Olympics) and Johnny DuPlooy, to determine the inaugural holder of its own heavyweight title in 1989. All other sanctioning bodies of boxing recognized the then-undefeated Mike Tyson as the undisputed heavyweight champion. Damiani, meanwhile, went on to become the first WBO heavyweight champion. At heavyweight, especially in the United States, the organization initially struggled to gain credibility as a major sanctioning body, with WBO heavyweight
Boxing at the 2015 Pan American Games – Men's Light heavyweight Boxing at the 2015 Pan American Games – Men's Light heavyweight The light heavyweight competition of the boxing events at the 2015 Pan American Games in Toronto, Ontario, Canada, was held between the 19 and 25 of July at the General Motors Centre. The defending champion is Julio La Cruz of Cuba. Light heavyweights is limited to those boxers weighing less than or equal to 81 kilograms. Like all Pan American boxing events, the competition is a straight single-elimination tournament. Both semifinal losers are awarded bronze medals, so no boxers compete again after their first loss. Bouts consist of a