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
Kevin Cunningham champion Erik Morales. Kevin started training Devon Alexander as a child, winning boxing championships in two divisions. Kevin helped train Shaw to win his second amateur championship in 2013. and started with him as an undefeated Heavyweight prospect in 2013. Kevin Cunningham Kevin Cunningham is an American boxing trainer who started the police boxing program in 1991, originally a police officer. He is credited for bringing up boxing world champions Cory Spinks, Devon Alexander, David Diaz, and amateur boxing champion Stephen Shaw Kevin Started his career in police in St. Louis Eighth District, ending his police career as narcotics detective.