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
Weight class (boxing) table gives names and limits recognised by the four widely regarded sanctioning bodies (WBA, WBC, IBF, WBO), the label used in Boxrec.com's data, and by the magazines "The Ring" and "Boxing News". The date is that since which a continuous world title has been recognised by a major sanctioning body; some classes had earlier champions recognised intermittently or by minor bodies. One current weight class with only minor recognition is "super-cruiserweight"; widely used as an informal descriptor, it is a formal weight class of the lightly regarded (professional) International Boxing Association at a limit of 210 lb; the IBA's cruiserweight