Undisputed champion recognised a different champion. The disputes were usually short-lived as a lucrative fight would be organised between the rival champions. The longest split was ten years, of the middleweight title, between Mickey Walker's move up to heavyweight in 1931 and NBA champion Tony Zale's defeat of NYSAC contender Georgie Abrams in 1941. An early use of "undisputed" appears in a "New York Times" preview of the 1941 fight. The growing popularity of boxing outside of the USA led to creation of various boxing organizations, each strengthening their influence (most notably BBBofC) and having their own champion. This resulted in a
World Boxing Super Series World Boxing Super Series The World Boxing Super Series (WBSS) is a professional boxing tournament organised by Comosa AG. Each weight class features eight boxers competing in an annual knockout competition with the champion from each weight class taking the Muhammad Ali Trophy, named after the former heavyweight champion Muhammad Ali, and sharing a total prize fund of US$50 million, with winner of each tournament receiving US$10 million These tournaments are a joint venture between Sauerland Promotions and Richard Schaefer under the Comosa AG banner. The total prize money is $50 million dollars. This is considered the first major professional