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
Boxing in Liverpool Kevin Satchell (11-0-0), from Kirkdale, was BBBofC British and Commonwealth flyweight champion. He fought Iain Butcher, Luke Wilton, and Paul Edwards. Nel Tarleton (119-21-8) was a former BBBofC British and Commonwealth featherweight champion, a title he has held on several separate occasions. Tony Willis (25-4-0) is a former BBBofC British lightweight champion, a title he defended three times. He fought Steve Boyle, George Feeney, and Alex Dickson. Boxing in Liverpool Boxing in Liverpool, United Kingdom includes approximately 22 amateur boxing clubs which have produced notable boxers such as John Conteh, Andy Holligan, Tony Bellew, David Price, and Callum Smith. Boxers