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
Shoot Boxing – S-Cup 1996 Shoot Boxing – S-Cup 1996 Shoot Boxing – S-Cup 1996 was a shoot boxing event promoted by Caesar Takeshi. It was a qualifier for the Shoot Boxing World Tournament 1997, featuring four elimination fights with all bouts fought under Shoot Boxing Rules (70kg/154lbs weight class) involving eight fighters from across the world. The eight finalists were a mixture of invitees or had been involved in the 1995 tournament (for more information on these finalists, see the bulleted list below). As well as competition bouts there were also five 'Super Fights', three fought under Shoot Boxing Rules (various weight classes), two