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
Shoot Boxing World Tournament 2010 the tournament, defeating three time S-Cup champion Andy Souwer in the semi finals in what was the biggest upset ever experienced in the sport. The event was held at the JCB Hall in Tokyo, Japan on Tuesday, November 23, 2010. S-Cup 2010 Finalists S-Cup 2010 Reservists Shoot Boxing World Tournament 2010 Shoot Boxing World Tournament 2010 or S-Cup 2010 was a shoot boxing event promoted by Caesar Takeshi. It was the seven bi-annual (70kg/154lbs weight class) Shoot Boxing World Tournament, featuring an eight-man single elimination format, with one reserve fight, all fought under Shoot Boxing Rules. The eight finalists and