Heavyweight unification series Heavyweight unification series The heavyweight unification series, also known as the Heavyweight World Series, was a sequence of professional boxing matches held in 1986 and 1987 to crown an undisputed champion of the heavyweight class. The series was produced by HBO Sports and promoted by Don King. It ended with Mike Tyson as undisputed champion, holding the championship belts of the International Boxing Federation, World Boxing Association, and World Boxing Council. Prior to the series, the last undisputed heavyweight champion had been Leon Spinks, who won the championship in his 1978 victory over Muhammad Ali. Spinks had been stripped of
Boxing in Canada CPBC is the more active of the two bodies, while a certain degree of prestige continues to surround the NCC title thanks to champions like Brandon Cook, Sylvera Louis, and Dillon Carman. Boxing in Canada The sport of boxing has been practised in Canada since before Canadian Confederation in 1867. Boxing was illegal in Canada during the bare-knuckle era but fights took place in remote areas and the last of them was in Halifax, Nova Scotia in 1901. Tommy Burns from Normanby Township near Hanover, was the first Canadian to win a heavyweight title, becoming the world heavyweight champion in