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
IWA Undisputed World Heavyweight Championship Bravo defended the IWA and DWE championships in Panama, defeating El Cuervo as part of a Revolution X-Treme Wrestling card. On November 1, 2009, Bravo and the incumbent WWC Universal Heavyweight Champion, Shane Sewell, performed in a DWE event, with the DWE Dominican National Championship being held up after the creative team booked a no contest. This marked the first instance that the two major champions worked together while holding full recognitions by both promotions. At Summer Attitude 2011, Chris Angel defeated Hiram Tua to become the first undefeated Undisputed World Champion. He went on to defeat all contenders, one