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
Professional boxing the separate bodies to be the "Undisputed World Champion." Regional sanctioning bodies such as the North American Boxing Federation, the North American Boxing Council and the United States Boxing Association also awarded championships. "The Ring" Magazine also continued listing the World Champion of each weight division, and its rankings continue to be appreciated by fans. The World Professional Boxing Federation, or WPBF, which is less widely known, is ranked separately from and considered less important than the other four. Professional boxing Professional boxing, or prizefighting, is regulated, sanctioned boxing. Professional boxing bouts are fought for a purse that is divided