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
Murderers' Row (boxing) would retire after winning 83 bouts, without ever being able to meet in the ring the champions of the time, such as Rocky Graziano, Sugar Ray Robinson and Jake LaMotta. Burley was inducted into the International Boxing Hall of Fame in 1992. Another member, Eddie Booker campaigned primarily at Light Heavyweight in the 1940s. Based in California, Booker blazed a path through the division, he would be victorious in 67 bouts, only losing on 5 occasions. A physically muscular and durable fighter, he was a blend of boxing skill and formidable punching power. In his autobiography, Light Heavyweight world champion,