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
Muhammad Ali Heavyweight Boxing decided solely by whichever boxer lands more punches in the fight. The only occasion these scorecards decide an outcome is if both fighters land exactly the same number of punches during a fight. Muhammad Ali Heavyweight Boxing Muhammad Ali Heavyweight Boxing is a boxing video game that was developed by Park Place Productions and published by Virgin Interactive in 1992. It was released for the Mega Drive/Genesis console. The game features Muhammad Ali and nine fictional heavyweight boxers. The game is presented using a mixture of 2D sprites and a 3D ring which allows boxers to move 360 degrees about