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Complete list of undisputed heavyweight boxing champions

Lennox Lewis-Evander Holyfield (Getty Images)

The undisputed champion in boxing is a fighter who holds all belts from the four major governing bodies: the WBC, WBA, WBO and IBF. The IBO belt is not generally considered when deciding the status of an undisputed champion, due to the computerised system that the body uses for its rankings. The Ring championship title is also not factored into the undisputed champion status.

A unified champion is a fighter who holds belts from two or more bodies, but not necessarily all four major titles for the division.

MORE: Undisputed champion vs. unified champion

Anthony Joshua and Tyson Fury are set to fight twice in 2021, holding the IBF, IBO, WBA, WBO, WBC and Ring titles between them. Assuming Joshua does not lose to Kubrat Pulev and does not vacate his WBO belt before he fights Fury, the winner would become the undisputed heavyweight fighter of the world.

Here is the rundown of every undisputed champion in heavyweight history. The recognized sanctioning bodies have changed over the years, and there has not yet been a four-belt undisptued champ in the heavyweight division.

List of every undisputed heavyweight champion

Reign started Reign ended Boxer Belts
July 24, 1922 Sept. 23, 1926 Jack Dempsey NYSAC, NBA
Sept. 23, 1926 July 31, 1928 Gene Tunney NYSAC, NBA
June 12 1930 Jan. 7, 1931 Max Schmeling NYSAC, NBA
June 21, 1932 June 29, 1933 Jack Sharkey NYSAC, NBA
June 29, 1933 June 14, 1934 Primo Carnera NYSAC, NBA
June 14, 1934 June 13, 1935 Max Baer NYSAC, NBA
June 13, 1935 June 22, 1937 James J. Braddock NYSAC, NBA
June 22, 1937 March 1, 1949 Joe Louis NYSAC, NBA
Sept. 27, 1950 July 18, 1951 Ezzard Charles NYSAC, NBA
July 18, 1951 Sept. 23, 1952 Jersey Joe Walcott NYSAC, NBA
Sept. 23, 1952 April 27, 1956 Rocky Marciano NYSAC, NBA
Nov. 30, 1956 June 26, 1959 Floyd Patterson NYSAC, NBA
June 26, 1959 June 20, 1960 Ingemar Johansson NYSAC, NBA
June 20, 1960 Sept. 25, 1962 Floyd Patterson NYSAC, NBA
Sept. 25, 1962 July 22, 1963 Sonny Liston NYSAC, WBA
July 22, 1963 Feb. 25, 1964 Sonny Liston WBC, WBA
Feb. 25, 1964 Sept. 19, 1964 Muhammad Ali WBC, WBA
Feb. 6, 1967 April 28, 1967 Muhammad Ali WBC, WBA
Feb. 16, 1970 Jan. 22, 1973 Joe Frazier WBC, WBA
Jan. 22, 1973 Oct. 30, 1974 George Foreman WBC, WBA
Oct. 30, 1974 Feb. 15, 1978 Muhammad Ali WBC, WBA
Feb. 15, 1978 March 18, 1978 Leon Spinks WBC, WBA
Aug. 1, 1987 Feb. 11, 1990 Mike Tyson WBC, WBA, IBF
Feb. 11, 1990 Oct. 25, 1990 James "Buster" Douglas WBC, WBA, IBF
Oct. 25, 1990 Nov. 13, 1992 Evander Holyfield WBC, WBA, IBF
Nov. 13, 1992 Dec. 14, 1992 Riddick Bowe WBC, WBA, IBF
Nov. 13, 1999 April 29, 2000 Lennox Lewis WBC, WBA, IBF

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