HBO World Championship Boxing Ali and Joe Frazier; Larry Holmes vs. Gerry Cooney, for the World Boxing Council heavyweight championship; The Battle of the Champions, when Aaron Pryor beat Alexis Argüello in their first fight; Carnival of Champions, in which Wilfredo Gómez beat Lupe Pintor, and Thomas Hearns beat Wilfred Benítez; Marvin Hagler-Thomas Hearns fight, billed as The War; Thunder Meets Lightning, in which Julio César Chávez beat Meldrick Taylor with two seconds remaining in the twelfth round; Michael Moorer vs. George Foreman, in which Foreman KO'd Michael Moorer to become the oldest heavyweight champion of the world at age 45; James Douglas's stunning
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