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
WCW International World Heavyweight Championship was the first and last titleholder. The WCW International World Heavyweight Championship has its origins in the NWA World Heavyweight Championship, the principal championship of the National Wrestling Alliance (NWA). The NWA was a syndicate of wrestling promotions who would book an overall champion. In 1991, the NWA World Heavyweight Champion was Ric Flair, who held the title when he wrestled for WCW. Flair was simultaneously considered the WCW World Heavyweight Champion; he was stripped of both titles because he left to work for rival company World Wrestling Federation (WWF, now WWE). Lex Luger won the vacant WCW World Heavyweight