Alan Minter Ali–Leon Spinks I undercard in Las Vegas, Nevada, he won his first bout in the United States by knocking out Sandy Torres in five. Then, he went to Italy once again to regain his European Middleweight title by knocking out Angelo Jacopucci in twelve rounds. Jacopucci died a few days afterwards, due to injuries sustained in the bout. Minter finished his year by avenging his loss to Tonna with a six-round knockout. In 1979, Minter won all four of his fights, two of them by knockout. On 16 March 1980, in Las Vegas, he was given a shot at World
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