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
HBO World Championship Boxing HBO World Championship Boxing HBO World Championship Boxing was an American sports television series, premiering in January 1973 that has shown a number of significant boxing events since then. "WCB"s first event was fought in Kingston, Jamaica, where George Foreman defeated Joe Frazier in two rounds to win the world heavyweight championship. On September 27, 2018, HBO announced they would be dropping boxing from the network following its last televised match on October 27, although there were two additional airings, one on November 24, 2018 and the last on December 8, 2018. Various issues in the boxing business, including the