Lennox Lewis knocked out in the first round. Lewis retained the WBC world title in 1998 when he knocked out lineal champion Shannon Briggs, who had recently outpointed George Foreman in a controversial fight to win the lineal title in five rounds, and beat formerly-undefeated European champion Željko Mavrović from Croatia in a 12-round unanimous decision. Lewis stated in 2006 that his fight with Mavrovic was the most awkward win of his career. On 13 March 1999, Lewis faced WBA and IBF title holder Evander Holyfield in New York City in what was supposed to be a heavyweight unification bout. Lewis fought
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