Cory Spinks Cory Spinks Cory Spinks (born Cory Calvin; February 20, 1978) is an American former professional boxer who competed from 1997 to 2013. He is a two-weight world champion, having held the undisputed welterweight title from 2003 to 2005, and the IBF junior middleweight title twice between 2006 and 2010. Additionally, he challenged for the lineal middleweight title in 2007. Spinks is the son of former world heavyweight champion Leon Spinks and nephew of former world heavyweight and light heavyweight champion Michael Spinks. He has an amateur record of 78-3, and won the National Golden Gloves and National Police Athletic League
Mike Tyson vs. Michael Spinks The next year Spinks won the lineal championship from Mustafa Wassaja and then took the WBC title from Dwight Braxton in 1983 to become the undisputed champion. In 1984, Spinks added the newly created IBF title. In September 1985, after having defended his titles a combined total of ten times, Spinks moved up to the heavyweight class to challenge reigning IBF, "Ring", and lineal champion Larry Holmes, who had been champion since 1978. Spinks defeated Holmes in a fifteen-round decision to become the first reigning light heavyweight champion to win the heavyweight championship. Spinks defeated Holmes again in a rematch