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On February 20, 2004, Jones relinquished his heavyweight title to resume boxing as a light heavyweight, at which point Ruiz was elevated to full championship recognition. On April 30, 2005, Ruiz was defeated by James Toney in a championship defense, but post-fight drug testing determined Toney had taken Nandrolone , an anabolic steroid .
The National Boxing Association (NBA) was organized in 1921. In 1962, the organization was renamed the World Boxing Association (WBA). The WBC was organized in 1963. The IBF, which was founded in 1983 by the members of the United States Boxing Association after the USBA withdrew from membership in the WBA. The WBO, founded in 1988.
Boxing magazine The Ring has awarded world championships in professional boxing within each weight class from its foundation in 1922. The first Ring world title belt was awarded to heavyweight champion Jack Dempsey, and the second was awarded to flyweight champion Pancho Villa. The magazine stopped giving belts to world champions in the 1990s ...
The all-time lineal heavyweight champions boxing list started in 1885 and includes Jack Dempsey, Joe Louis, Muhammad Ali and Mike Tyson among others.
Haye vacates the title to move up to heavyweight. [8] 12 Victor Emilio Ramírez (interim champion promoted) Feb – 5 Dec 2009 1 13 Marco Huck: 5 Dec 2009 – 14 Aug 2015 13 14 Krzysztof Głowacki: 14 Aug 2015 – 17 Sep 2016 1 15 Oleksandr Usyk: 17 Sep 2016 – 5 Jun 2019 6 Usyk vacated the title to move up to heavyweight. [9] 16 Krzysztof ...
This is a list of IBO world champions, showing every world champion certificated by the International Boxing Organization (IBO) since 1993. r – Champion relinquished title; s – Champion stripped of title
As professional boxing has four major sanctioning bodies (WBA, WBC, IBF, WBO) each with their own champions, the sport doesn't have a centralized ranking system.The rankings published by these organizations share the trait of not ranking the other organizations' champions, as each one of the sanctioning bodies expects their champion to frequently defend their title against their top-ranked ...
Spinks, who had won the IBF heavyweight title the previous month against Larry Holmes, was stripped of the WBC light heavyweight title due to the WBC's policy against fighters holding world titles in multiple divisions at the same time. [21] 13 J. B. Williamson (def. Prince Mama Mohammed) 10 Dec 1985 – 30 Apr 1986 0 14 Dennis Andries