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
CMLL World Heavyweight Championship the championship was declared vacant. The company announced that they were holding a 10-man "torneo cibernetico" on June 6, 2017 in Guadalajara, Jalisco to determine the next champion. The "torneo ciberntico" sides pitted Gran Guerrero, Euforia, El Terrible, Rush and Pierroth against Marco Corleone, Dragón Rojo Jr., Kráneo, Mr. Niebla and Rey Bucanero. The match came down to former champion El Terrible and Corleone, with Corleone gaining the deciding pinfall and the championship. With the victory, he became the 19th overall champion. CMLL World Heavyweight Championship The CMLL World Heavyweight Championship () is a professional wrestling world heavyweight championship established