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
Boxing at the 2011 Pan American Games – Super heavyweight Boxing at the 2011 Pan American Games – Super heavyweight The men's super heavyweight competition of the boxing events at the 2011 Pan American Games in Guadalajara, Mexico, was held between October 24 and 29 at the Expo Guadalajara Arena. The defending champion was Robert Alfonso from Cuba. Super heavyweights were limited to those boxers weighing higher than or equal to 91 kilograms. This weight category is the heaviest out of the ten boxing events. Like all Pan American boxing events, the competition was a straight single-elimination tournament. Both semifinal losers were awarded bronze medals, so no boxers competed again