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
Girls S-Cup Nanae Takahashi and Fuka Kakimoto, and a 59 kg match. The event also featured an MMA match under co-promoter JEWELS' rules. Two special rules children's bouts under Fuka's management were presented, one of which showcased later puroresu prodigy Haruka. Shoot Boxing World Tournament Girls S-Cup 2011 was the event that featured the third of Girls S-Cup tournaments. The event was promoted by the Shoot Boxing Association. It was competed in the 51 kg weight class, also featuring a 48 kg opening match, one 70 kg and one 50 kg "Super Fight". Former champion Rena Kubota did not participate in the