Middleweight World Championship Series Middleweight World Championship Series The Middleweight World Championship Series was a boxing round-robin tournament staged by Don King Productions. The goal of the series was to produce a unified Middleweight boxing champion. The victor took the WBC, WBA, IBF and vacant Ring Magazine 160-pound belts home, and became the first undisputed middleweight king since Marvellous Marvin Hagler held the distinction from 1979 until 1987. The victor was also awarded a specially commissioned "Sugar" Ray Robinson trophy. The contenders in the tournament were William Joppy(WBA champion), Keith Holmes(WBC champion), Bernard Hopkins(IBF champion), and Félix Trinidad. The semifinals pitted Trinidad against Joppy
Undisputed champion World Boxing Foundation are disregarded. If a fighter wins all the titles but is stripped by one organization of its title, he may continue to be considered the undisputed champion. Roy Jones Jr. was spuriously promoted as the undisputed light heavyweight champion by HBO after unifying the WBA, WBC and IBF titles in June 1999, for which he was also awarded The Ring championship title in 2002. However, two of those belts (WBA and IBF) had been stripped from Dariusz Michalczewski, who had unified them with his WBO title by beating the Lineal champion Virgil Hill in June 1997, and