List of world heavyweight boxing champions

At the beginnings of boxing, the heavyweight division had no weight limit and the category historically has been vaguely defined. In the 19th century, for example, many heavyweight champions weighed 170 pounds (12 st 2 lb, 77 kg) or less (although others weighed 200 pounds). The first heavyweight champion under the Marquess of Queensberry rules was John L. Sullivan, known as "The Boston Strong Boy". He weighed around 200 pounds when in shape and was a bare-knuckle champion. He was defeated by Jim Corbett on September 7, 1892, in 21 rounds. In 1920, the minimum weight for a heavyweight was set at 175 pounds (12 st 7 lb, 79 kg), which today is the light heavyweight division maximum. Since 1980, for most boxing organizations, the maximum weight for a cruiserweight has been 200 pounds. Boxers who weigh 200 pounds and over (14 st 3 lb, 90 kg) are considered heavyweights by the major professional boxing organizations: the World Boxing Association (WBA),[1] World Boxing Council (WBC),[2] International Boxing Federation (IBF),[3] and World Boxing Organization (WBO).[4]

Since the 1960s, the heavyweight title has become fractured amongst various sanctioning organizations, and so what was once known as the single "Heavyweight Champion", is now referred to as the "Undisputed Champion" as the one fighter that has defeated all the other titlists; however, major boxing organizations refer to all boxers holding at least two world titles in their respective division as Unified champions.[5][6][7] Some title reigns are not recognized as official reigns due to long periods of inactivity, legitimacy of title, false billing and promotion. In March 1967, Muhammad Ali was systematically denied a boxing license in every state and stripped of his passport because of his refusal to be inducted into the armed forces. He was stripped of the WBA and WBC titles but remained The Ring and lineal boxing champion, despite not having a boxing match until October 1970. In 2005, Ukrainian boxer Vitali Klitschko retired as WBC champion. Following his retirement, the WBC conferred "champion emeritus" status on Klitschko, and assured him he would become the mandatory challenger if and when he decided to return.[8] On August 3, 2008 the WBC awarded Klitschko a chance to regain his WBC heavyweight title against then-champion Samuel Peter. Vitali regained the title after Peter asked the bout be stopped after the eighth round.

Championship recognition

As recognized by International Boxing Hall Of Fame:[9]

1884–1921

Champions were recognized by public acclamation. A champion in that era was a fighter who had a notable win over another fighter and kept winning afterward. Retirements or disputed results could lead to a championship being split among several men for periods of time. With only minor exceptions, the heavyweight division remained free from dual title-holders until the 1960s. For an early example, see the 1896 World Heavyweight Championship.

Sanctioning organizations: 1921–present

  • The New York State Athletic Commission (NYSAC). A governmental entity initially formed for the purpose of regulating boxing in the State of New York, thanks to New York's place as the epicenter of boxing from the 1930s through 1950s, the NYSAC expanded its reach to sanctioning championship bouts. This practice continued until, like the IBU, the NYSAC became a member of the World Boxing Council (WBC).
  • The National Boxing Association (NBA) was organized in 1921. In 1962, the organization was renamed the World Boxing Association (WBA).
  • The World Boxing Council (WBC) was organized in 1963.
  • The International Boxing Federation (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 World Boxing Organization (WBO), which was founded in 1989 by disgruntled members of the World Boxing Association.
  • The Ring began awarding championship belts in 1922, stopped giving belts to world champions in the 1990s, then reintroduced their title in 2002, and ignored the current ongoing world championship lineage. Under the original version of the policy, you could win the title by either defeating the reigning champion or winning a box-off between the magazine's No. 1 and No. 2 (occasionally No. 3) ranked contenders. A fighter could not be stripped of the title unless he lost or retired. Since May 2012, under the new policy, The Ring title can be awarded when the No. 1 and No. 2 contenders face each other or when either of them faces No. 3, No. 4 or No. 5 contender. In addition, the title can be taken away by losing the fight, not scheduling a fight for 18 months, not scheduling a fight with a top 5 contender for two years, or retiring.[10]

Current status of prominent championship titles

World Boxing Association

  • Anthony Joshua is currently recognized as the organization's 'super' world champion, having won the title on December 7, 2019 over Andy Ruiz Jr. His next bout is scheduled against Kubrat Pulev on June 20, 2020, to satisfy his IBF mandatory defense obligation. However, the event was postponed due to the COVID-19 pandemic.
  • Manuel Charr is currently recognized as the organization's 'regular' world champion.[11] His next defence of this title is scheduled to be against WBA 'interim' champion Trevor Bryan. The WBA has scheduled a purse bid for the bout on March 2, 2020.
  • Trevor Bryan is currently recognized as the organization's 'interim' world champion,[11] having being awarded that distinction on August 11, 2018 by defeating B.J. Flores. Why the WBA awarded an interim championship title when it already had active boxers holding its 'super' and 'regular' world championships is unclear. His next bout will be against WBA 'regular' champion, Manuel Charr for Charr's title, at which time, win or lose, his 'interim' championship will be vacated. The WBA has scheduled a purse bid for the bout on March 2, 2020.

World Boxing Council

  • Tyson Fury is the currently recognized as the organization's world champion, having won the title on February 22, 2020 by defeating Deontay Wilder.
  • Dillian Whyte was recognized as the organization's 'interim' world champion, having been awarded that distinction on July 20, 2019 by defeating Oscar Rivas via 12 round unanimous decision. As with the WBA's championship title, at the time of Whyte's recognition as 'interim' champion, their recognized world champion was not inactive, so why this recognition was bestowed is unclear. This recognition was suspended from July 30, 2019 to December 11, 2019, after it was reported a post-bout UKAD gathered urine sample "yielded an adverse finding." On December 6, 2019, UKAD exonerated Whyte of any wrongdoing and five days later the WBC reinstated Whyte as its 'interim' champion.

International Boxing Federation

World Boxing Organization

  • Anthony Joshua is the currently recognized as the organization's world champion, having won the title on December 7, 2019 by defeating Andy Ruiz Jr. His next bout is scheduled against Kubrat Pulev on June 20, 2020, to satisfy his IBF mandatory defense obligation.

The Ring

List of champions

No. Champion Nationality Recognition Reign Began Reign Ended Title defenses Additional recognition Notes Source(s)
1 John L. Sullivan
def. Dominick McCaffrey
United StatesUniversalAugust 29, 1885September 7, 1892-25,4[12]
2 James J. Corbett United StatesUniversalSeptember 7, 1892March 17, 1897def. Charley Mitchell on Jan 25, 18945[13]
3 Bob Fitzsimmons United KingdomUniversalMarch 17, 1897June 9, 1899-[14]
4 James J. Jeffries United StatesUniversalJune 9, 1899May 13, 1905def. Tom Sharkey on Mar 11, 1899
def. John Finnegan on April 6, 1900
def. James J. Corbett on May 11, 1900
def. Gus Ruhlin on Nov 15, 1901
def. Bob Fitzsimmons on Jul 25, 1902
def. James J. Corbett on Aug 14, 1903
def. Jack Munroe on Aug 26, 1904
2,6[15]
5 Marvin Hart
def. Jack Root
United StatesUniversalJuly 3, 1905February 23, 1906-1[16]
6 Tommy Burns CanadaUniversalFebruary 23, 1906December 26, 1908def. James J. Walker on Mar 28, 1906
def. Jim O'Brien on Mar 28, 1906
def. Fireman Jim Flynn on Oct 2, 1906
draw vs. Philadelphia Jack O'Brien on Nov 28, 1906
def. Philadelphia Jack O'Brien on May 8, 1907
def. Bill Squires on Jul 4, 1907
def. Gunner Moir on Dec 2, 1907
def. Jack Palmer on Feb 10, 1908
def. Jem Roche on Mar 17, 1908
def. Jewey Smith on April 18, 1908
def. Bill Squires on Jun 13, 1908
def. Bill Squires on Aug 24, 1908
def. Bill Lang on Sept 3, 1908
[17]
7 Jack Johnson United StatesUniversalDecember 26, 1908April 5, 1915def. Al Kaufman on Sept 9, 1909
def. Stanley Ketchel on Oct 16, 1909
def. James J. Jeffries on Jul 4, 1910
def. Fireman Jim Flynn on Jul 4, 1912
draw vs. Battling Jim Johnson on Dec 19, 1913
def. Frank Moran on Jun 27, 1914
7[18]
8 Jess Willard United StatesUniversalApril 5, 1915July 4, 1919def. Frank Moran on Mar 25, 1916[19]
9 Jack Dempsey United StatesUniversalJuly 4, 1919July 2, 1921def. Billy Miske on Sept 6, 1920
def. Bill Brennan on Dec 14, 1920
def. Georges Carpentier on Jul 2, 1921
The Ring
awarded the title in 1922
[20]
NBAJuly 2, 1921July 24, 1922-[20]
NBA, and NYSACJuly 24, 1922September 23, 1926def. Tommy Gibbons on Jul 4, 1923
def. Luis Angel Firpo on Sept 14, 1923
[20]
10 Gene Tunney United StatesNBA, and NYSACSeptember 23, 1926July 31, 1928def. Jack Dempsey on Sept 22, 1927
def. Tom Heeney on Jul 26, 1928
The Ring2[21]
11 Max Schmeling
def. Jack Sharkey
GermanyNBA, and NYSACJune 12, 1930January 7, 1931-The Ring1,8[22]
NBA, and IBUJanuary 7, 1931June 21, 1932def. Young Stribling on Jul 3, 19311,10[22]
12 Jack Sharkey United StatesNBA, NYSAC, and IBUJune 21, 1932June 29, 1933-The Ring[23]
13 Primo Carnera ItalyNBA, NYSAC, and IBUJune 29, 1933June 14, 1934def. Paulino Uzcudun on Oct 22, 1933
def. Tommy Loughran on Mar 1, 1934
The Ring1,10[24]
14 Max Baer United StatesNBA, NYSAC, and IBUJune 14, 1934June 13, 1935-The Ring9[25]
15 James J. Braddock United StatesNBA, NYSAC, and IBUJune 13, 1935June 22, 1937-The Ring[26]
16 Joe Louis United StatesNBA, NYSAC, and IBUJune 22, 1937March 1, 1949def. Tommy Farr on Aug 30, 1937
def. Nathan Mann on Feb 23, 1938
def. Harry Thomas on April 4, 1938
def. Max Schmeling on Jun 22, 1938
def. John Henry Lewis on Jan 25, 1939
def. Jack Roper on April 17, 1939
def. Tony Galento on Jun 28, 1939
def. Bob Pastor on Sep 20, 1939
def. Arturo Godoy on Feb 9, 1940
def. Johnny Paycheck on Mar 29, 1940
def. Arturo Godoy on Jun 20, 1940
def. Al McCoy on Dec 16, 1940
def. Red Burman on Jan 31, 1941
def. Gus Dorazio on Feb 17, 1941
def. Abe Simon on Mar 21, 1941
def. Tony Musto on April 8, 1941
def. Buddy Baer on May 23, 1941
def. Billy Conn on Jun 18, 1941
def. Lou Nova on Sep 29, 1941
def. Buddy Baer on Jan 9, 1942
def. Abe Simon on Mar 27, 1942
def. Johnny Davis on Nov 14, 1944
def. Billy Conn on Jun 19, 1946
def. Tami Mauriello on Sep 18, 1946
def. Jersey Joe Walcott on Dec 5, 1947
def. Jersey Joe Walcott on Jun 25, 1948
The Ring2[27][28]
17 Ezzard Charles
def. Jersey Joe Walcott
United StatesNBAJune 22, 1949September 27, 1950def. Gus Lesnevich on Aug 10, 1949
def. Pat Valentino on Oct 14, 1949
def. Freddie Beshore on Aug 15, 1950
def. Joe Louis on Sep 27, 1950
The Ring1,10[29]
NBA, and NYSACSeptember 27, 1950June 16, 1951def. Nick Barone on Dec 5, 1950
def. Lee Oma on Jan 12, 1951
def. Jersey Joe Walcott on Mar 7, 1951
def. Joey Maxim on May 30, 1951
1,10[29]
NBA, NYSAC, and IBUJune 16, 1951July 18, 1951-[29]
18 Jersey Joe Walcott United StatesNBA, and NYSACJuly 18, 1951September 23, 1952def. Ezzard Charles on Jun 5, 1952The Ring[30]
19 Rocky Marciano United StatesNBA, and NYSACSeptember 23, 1952April 27, 1956def. Jersey Joe Walcott on Mar 15, 1953
def. Roland LaStarza on Sept 24, 1953
def. Ezzard Charles on Jun 17, 1954
def. Ezzard Charles on Sept 17, 1954
def. Don Cockell on May 16, 1955
def. Archie Moore on Sept 21, 1955
The Ring2[31]
20 Floyd Patterson
def. Archie Moore
United StatesNBA, and NYSACNovember 30, 1956June 26, 1959def. Tommy Jackson on Jul 29, 1957
def. Pete Rademacher on Aug 22, 1957
def. Roy Harris on Aug 18, 1958
def. Brian London on May 1, 1959
The Ring1,11[32]
21 Ingemar Johansson SwedenNBA, and NYSACJune 26, 1959June 20, 1960-The Ring[33]
22 Floyd Patterson (Second reign) United StatesNBA, and NYSACJune 20, 1960September 25, 1962def. Ingemar Johansson on Mar 13, 1961
def. Tom McNeeley on Dec 4, 1961
The Ring[32]
23 Sonny Liston United StatesNYSAC, and WBASeptember 25, 1962July 22, 1963def. Floyd Patterson on Jul 22, 1963
The Ring[34]
NYSAC, WBA, and WBCJuly 22, 1963February 25, 1964-[34]
24 Cassius Clay (Muhammad Ali) United StatesNYSAC, WBA, and WBCFebruary 25, 1964June 19, 1964-The Ring12[35]
NYSAC, and WBCJune 19, 1964February 6, 1967def. Sonny Liston on May 25, 1965
def. Floyd Patterson on Nov 22, 1965
def. George Chuvalo on Mar 29, 1966
def. Henry Cooper on May 21, 1966
def. Brian London on Aug 6, 1966
def. Karl Mildenberger on Sep 10, 1966
def. Cleveland Williams on Nov 14, 1966
def. Ernie Terrell on Feb 6, 1967
[35]
NYSAC, WBA, and WBCFebruary 6, 1967April 29, 1967def. Zora Folley on Mar 22, 196713[35]
25 Ernie Terrell
def. Eddie Machen
United StatesWBAMarch 5, 1965February 6, 1967def. George Chuvalo on Nov 1, 1965
def. Doug Jones on Jun 28, 1966
-1[36]
26 Joe Frazier
def. Buster Mathis
United StatesNYSACMarch 4, 1968February 16, 1970def. Manuel Ramos on Jun 24, 1968
def. Oscar Bonavena on Dec 10, 1968
def. Dave Zyglewicz on Apr 22, 1969
def. Jerry Quarry on Jun 23, 1969
def. Jimmy Ellis on Feb 16, 1970
The Ring
def. Muhammad Ali on Mar 8, 1971
1[37]
WBA, and WBCFebruary 16, 1970January 22, 1973def. Bob Foster on Nov 18, 1970
def. Muhammad Ali on Mar 8, 1971
def. Terry Daniels on Jan 15, 1972
def. Ron Stander on May 25, 1972
15[37]
27 Jimmy Ellis
def. Jerry Quarry
United StatesWBAApril 27, 1968February 16, 1970def. Floyd Patterson on Sep 14, 1968-1,14[38]
28 George Foreman United StatesWBA, and WBCJanuary 22, 1973October 30, 1974def. José Roman on Sep 1, 1973
def. Ken Norton on Mar 26, 1974
The Ring1,10[39]
29 Muhammad Ali (Second reign) United StatesWBA, and WBCOctober 30, 1974February 15, 1978def. Chuck Wepner on Mar 24, 1975
def. Ron Lyle on May 16, 1975
def. Joe Bugner on Jun 30, 1975
def. Joe Frazier on Oct 1, 1975
def. Jean-Pierre Coopman on Feb 20, 1976
def. Jimmy Young on Apr 30, 1976
def. Richard Dunn on May 24, 1976
def. Ken Norton on Sep 28, 1976
def. Alfredo Evangelista on May 16, 1977
def. Earnie Shavers on Sep 29, 1977
The Ring[35]
30 Leon Spinks United StatesWBA, and WBCFebruary 15, 1978March 18, 1978-The Ring3[40]
WBAMarch 18, 1978September 15, 1978-[40]
31 Ken Norton
awarded the title
United StatesWBCMarch 18, 1978June 9, 1978--16[41]
32 Larry Holmes United StatesWBCJune 9, 1978December 11, 1983def. Alfredo Evangelista on Nov 10, 1978
def. Ossie Ocasio on Mar 23, 1979
def. Mike Weaver on Jun 22, 1979
def. Earnie Shavers on Sep 28, 1979
def. Lorenzo Zanon on Feb 3, 1980
def. Leroy Jones on Mar 31, 1980
def. Scott LeDoux on Jul 7, 1980
def. Muhammad Ali on Oct 2, 1980
def. Trevor Berbick on Apr 11, 1981
def. Leon Spinks on Jun 12, 1981
def. Renaldo Snipes on Nov 6, 1981
def. Gerry Cooney on Jun 11, 1982
def. Randall "Tex" Cobb on Nov 26, 1982
def. Lucien Rodriguez on Mar 27, 1983
def. Tim Witherspoon on May 20, 1983
def. Scott Frank on Sep 10, 1983
The Ring
def. Muhammad Ali on Oct 2, 1980
2[42]
IBFDecember 11, 1983September 21, 1985def. James Smith on Nov 9, 1984
def. David Bey on Mar 15, 1985
def. Carl Williams on May 20, 1985
17[42]
33 Muhammad Ali (Third reign) United StatesWBASeptember 15, 1978October 18, 1979-The Ring2[35]
34 John Tate
def. Gerrie Coetzee
United StatesWBAOctober 20, 1979March 31, 1980--1[43]
35 Mike Weaver United StatesWBAMarch 31, 1980December 10, 1982def. Gerrie Coetzee on Oct 25, 1980
def. James Tillis on Oct 3, 1981
-[44]
36 Michael Dokes United StatesWBADecember 10, 1982September 23, 1983draw vs. Mike Weaver on May 20, 1983
-[45]
37 Gerrie Coetzee South AfricaWBASeptember 23, 1983December 1, 1984--[46]
38 Tim Witherspoon
def. Greg Page
United StatesWBCMarch 9, 1984August 31, 1984--1[47]
39 Pinklon Thomas United StatesWBCAugust 31, 1984March 22, 1986def. Mike Weaver on Jun 15, 1985-[48]
40 Greg Page United StatesWBADecember 1, 1984April 29, 1985--[49]
41 Tony Tubbs United StatesWBAApril 29, 1985January 17, 1986--[50]
42 Michael Spinks United StatesIBFSeptember 21, 1985February 19, 1987def. Larry Holmes on Apr 19, 1986
def. Steffen Tangstad on Sep 6, 1986
The Ring3[51]
43 Tim Witherspoon (Second reign) United StatesWBAJanuary 17, 1986December 12, 1986def. Frank Bruno on Jul 19, 1986
-[47]
44 Trevor Berbick Jamaica
Canada
WBCMarch 22, 1986November 22, 1986--[52]
45 Mike Tyson United StatesWBCNovember 22, 1986March 7, 1987def. James Smith on Mar 7, 1987
The Ring
def. Michael Spinks on Jun 27, 1988
[53]
WBA, and WBCMarch 7, 1987August 1, 1987def. Pinklon Thomas on May 30, 1987
def. Tony Tucker on Aug 1, 1987
[53]
WBA, WBC, and IBFAugust 1, 1987February 11, 1990def. Tyrell Biggs on Oct 16, 1987
def. Larry Holmes on Jan 22, 1988
def. Tony Tubbs on Mar 21, 1988
def. Michael Spinks on Jun 27, 1988
def. Frank Bruno on Feb 25, 1989
def. Carl Williams on Jul 21, 1989
[53]
46 James "Bonecrusher" Smith United StatesWBADecember 12, 1986March 7, 1987--[54]
47 Tony Tucker
def. Buster Douglas
United StatesIBFMay 30, 1987August 1, 1987--1[55]
48 Francesco Damiani
def. Johnny du Plooy
ItalyWBOMay 6, 1989January 11, 1991def. Daniel Eduardo Neto on Dec 16, 1989
-1[56]
49 James "Buster" Douglas United StatesWBA, WBC, and IBFFebruary 11, 1990October 25, 1990-[57]
50 Evander Holyfield United StatesWBA, WBC, and IBFOctober 25, 1990November 13, 1992def. George Foreman on Apr 19, 1991
def. Bert Cooper on Nov 23, 1991
def. Larry Holmes on Jun 19, 1992
-[58]
51 Ray Mercer United StatesWBOJanuary 11, 1991December 24, 1991def. Tommy Morrison on Oct 18, 1991-3[59]
52 Michael Moorer
def. Bert Cooper
United StatesWBOMay 15, 1992February 3, 1993--1,2[60]
53 Riddick Bowe United StatesWBA, WBC, and IBFNovember 13, 1992December 14, 1992--2[61]
WBA, and IBFDecember 14, 1992November 6, 1993def. Michael Dokes on Feb 6, 1993
def. Jesse Ferguson on May 22, 1993
-[61]
54 Lennox Lewis
awarded the title
United Kingdom
Canada
WBCDecember 14, 1992September 24, 1994def. Tony Tucker on May 8, 1993
def. Frank Bruno on Oct 1, 1993
def. Phil Jackson on May 6, 1994
-18[62]
55 Tommy Morrison
def. George Foreman
United StatesWBOJune 7, 1993October 29, 1993def. Tim Tomashek on Aug 30, 1993-1[63]
56 Michael Bentt United Kingdom
United States
WBOOctober 29, 1993March 19, 1994--[64]
57 Evander Holyfield (Second reign) United StatesWBA, and IBFNovember 6, 1993April 22, 1994--[58]
58 Herbie Hide United KingdomWBOMarch 19, 1994March 11, 1995--[65]
59 Michael Moorer (Second reign) United StatesWBA, and IBFApril 22, 1994November 5, 1994-[60]
60 Oliver McCall United StatesWBCSeptember 24, 1994September 2, 1995def. Larry Holmes on Apr 8, 1995-[66]
61 George Foreman (Second reign) United StatesWBA, and IBFNovember 5, 1994March 4, 1995--3[39]
IBFMarch 4, 1995June 28, 1995def. Axel Schulz on Apr 22, 19952[39]
62 Riddick Bowe (Second reign) United StatesWBOMarch 11, 1995May 1, 1996def. Jorge Luis Gonzalez on Jun 17, 1995-3[61]
63 Bruce Seldon
def. Tony Tucker
United StatesWBAApril 8, 1995September 7, 1996def. Joe Hipp on Aug 19, 1995-1[67]
64 Frank Bruno United KingdomWBCSeptember 2, 1995March 16, 1996--[68]
65 Mike Tyson (Second reign) United StatesWBCMarch 16, 1996September 7, 1996--[53]
WBA, and WBCSeptember 7, 1996September 24, 1996--2[53]
WBASeptember 24, 1996November 9, 1996--[53]
66 Michael Moorer (Third reign)
def. Axel Schulz
United StatesIBFJune 22, 1996November 8, 1997def. Francois Botha on Nov 9, 1996
def. Vaughn Bean on Mar 29, 1997
-1,19[60]
67 Henry Akinwande
def. Jeremy Williams
United KingdomWBOJune 29, 1996February 17, 1997def. Alexander Zolkin on Nov 9, 1996
def. Scott Welch on Jan 11, 1997
-1,2[69]
68 Evander Holyfield (Third reign) United StatesWBANovember 9, 1996November 8, 1997def. Mike Tyson on Jun 28, 1997
def. Michael Moorer on Nov 8, 1997
-[58]
WBA, and IBFNovember 8, 1997November 13, 1999def. Vaughn Bean on Sep 19, 1998
draw vs. Lennox Lewis on Mar 13, 1999
-[58]
69 Lennox Lewis (Second reign)
def. Oliver McCall
United Kingdom
Canada
WBCFebruary 7, 1997November 13, 1999def. Henry Akinwande on Jul 12, 1997
def. Andrzej Golota on Oct 4, 1997
def. Shannon Briggs on Mar 28, 1998
def. Željko Mavrović on Sep 26, 1998
draw vs. Evander Holyfield on Mar 13, 1999
def. Evander Holyfield on Nov 13, 1999
-1[62]
WBA, WBC, and IBFNovember 13, 1999April 29, 2000--3[62]
WBC, and IBFApril 29, 2000April 22, 2001def. Michael Grant on Apr 29, 2000
def. Francois Botha on Jul 15, 2000
def. David Tua on Nov 11, 2000
-[62]
70 Herbie Hide (Second reign)
def. Tony Tucker
United KingdomWBOJune 28, 1997June 26, 1999def. Damon Reed on Apr 18, 1998
def. Wilhelm Fischer on Sep 26, 1998
-1[65]
71 Vitali Klitschko UkraineWBOJune 26, 1999April 1, 2000def. Ed Mahone on Oct 9, 1999
def. Obed Sullivan on Dec 11, 1999
-[70]
72 Chris Byrd United StatesWBOApril 1, 2000October 14, 2000--[71]
73 Evander Holyfield (Fourth reign)
def. John Ruiz
United StatesWBAAugust 12, 2000March 3, 2001--1[58]
74 Wladimir Klitschko UkraineWBOOctober 14, 2000March 8, 2003def. Derrick Jefferson on Mar 24, 2001
def. Charles Shufford on Aug 4, 2001
def. Francois Botha on Mar 16, 2002
def. Ray Mercer on Jun 29, 2002
def. Jameel McCline on Dec 7, 2002
-[72]
75 John Ruiz United StatesWBAMarch 3, 2001March 1, 2003draw vs. Evander Holyfield on Dec 15, 2001
def. Kirk Johnson on Jul 27, 2002
-[73]
76 Hasim Rahman United StatesWBC, and IBFApril 22, 2001November 17, 2001--[74]
77 Lennox Lewis (Third reign) United Kingdom
Canada
WBC, and IBFNovember 17, 2001September 5, 2002def. Mike Tyson on Jun 8, 2002
The Ring
awarded the title in 2002
2[62]
WBCSeptember 5, 2002February 6, 2004def. Vitali Klitschko on Jun 21, 20032[62]
78 Chris Byrd (Second reign)
def. Evander Holyfield
United StatesIBFDecember 14, 2002April 22, 2006def. Fres Oquendo on Sep 20, 2003
draw vs. Andrzej Golota on Apr 17, 2004
def. Jameel McCline on Nov 13, 2004
def. DaVarryl Williamson on Oct 1, 2005
-1[71]
79 Roy Jones Jr. United StatesWBAMarch 1, 2003February 20, 2004--2[75]
80 Corrie Sanders South AfricaWBOMarch 8, 2003October 9, 2003--2[76]
81 John Ruiz (Second reign)
def. Hasim Rahman for interim title
United StatesWBAFebruary 20, 2004December 17, 2005def. Fres Oquendo on Apr 17, 2004
def. Andrzej Golota on Nov 13, 2004
-20[73]
82 Lamon Brewster
def. Wladimir Klitschko
United StatesWBOApril 10, 2004April 1, 2006def. Kali Meehan on Sep 4, 2004
def. Andrzej Golota on May 21, 2005
def. Luan Krasniqi on Sep 28, 2005
-1[77]
83 Vitali Klitschko (Second reign)
def. Corrie Sanders
UkraineWBCApril 24, 2004November 9, 2005def. Danny Williams on Dec 11, 2004The Ring 1,2[70]
84 Hasim Rahman (Second reign)
def. Monte Barrett for interim title
United StatesWBCNovember 9, 2005August 12, 2006draw vs. James Toney on Mar 18, 2006-21[74]
85 Nikolai Valuev RussiaWBADecember 17, 2005April 14, 2007def. Owen Beck on Jun 3, 2006
def. Monte Barrett on Oct 7, 2006
def. Jameel McCline on Jan 20, 2007
-1,10[78]
86 Siarhei Liakhovich BelarusWBOApril 1, 2006November 4, 2006--[79]
87 Wladimir Klitschko (Second reign) UkraineIBFApril 22, 2006February 23, 2008def. Calvin Brock on Nov 11, 2006
def. Ray Austin on Mar 10, 2007
def. Lamon Brewster on Jul 7, 2007
def. Sultan Ibragimov on Feb 23, 2008
The Ring
def. Ruslan Chagaev on Jun 20, 2009
[72]
IBF, and WBOFebruary 23, 2008July 2, 2011def. Tony Thompson on Jul 12, 2008
def. Hasim Rahman on Dec 13, 2008
def. Ruslan Chagaev on Jun 20, 2009
def. Eddie Chambers on Mar 20, 2010
def. Samuel Peter on Sep 11, 2010
def. David Haye on Jul 2, 2011
[72]
WBA (Super), IBF, and WBOJuly 2, 2011November 28, 2015def. Jean-Marc Mormeck on Mar 13, 2012
def. Tony Thompson on Jul 7, 2012
def. Mariusz Wach on Nov 10, 2012
def. Francesco Pianeta on May 4, 2013
def. Alexander Povetkin on Oct 5, 2013
def. Alex Leapai on Apr 26, 2014
def. Kubrat Pulev on Nov 15, 2014
def. Bryant Jennings on Apr 25, 2015
[72]
88 Oleg Maskaev United StatesWBCAugust 12, 2006December 9, 2006--[80][81]
RussiaDecember 9, 2006March 8, 2008def. Okello Peter on Dec 10, 2006
-
89 Shannon Briggs United StatesWBONovember 4, 2006June 2, 2007--[82]
90 Ruslan Chagaev UzbekistanWBAApril 14, 2007June 20, 2009def. Matt Skelton on Jan 19, 2008
def. Carl Davis Drumond on Feb 7, 2009
-22[83]
91 Sultan Ibragimov RussiaWBOJune 2, 2007February 23, 2008def. Evander Holyfield on Oct 13, 2007
-[84]
92 Samuel Peter NigeriaWBCMarch 8, 2008October 11, 2008--[85]
93 Nikolai Valuev (Second reign)
def. John Ruiz
RussiaWBAAugust 30, 2008November 7, 2009def. Evander Holyfield on Dec 20, 2008
-1,22[78]
94 Vitali Klitschko (Third reign) UkraineWBCOctober 11, 2008December 15, 2013def. Juan Carlos Gomez on Mar 21, 2009
def. Chris Arreola on Sep 26, 2009
def. Kevin Johnson on Dec 12, 2009
def. Albert Sosnowski on May 29, 2010
def. Shannon Briggs on Oct 16, 2010
def. Odlanier Solís on Mar 19, 2011
def. Tomasz Adamek on Sep 10, 2011
def. Dereck Chisora on Feb 18, 2012
def. Manuel Charr on Sep 8, 2012
-2[70]
95 David Haye United KingdomWBANovember 7, 2009July 2, 2011def. John Ruiz on Apr 3, 2010
def. Audley Harrison on Nov 13, 2010
-[86]
- Alexander Povetkin
def. Ruslan Chagaev
RussiaWBA (Regular)August 27, 2011October 5, 2013def. Cedric Boswell on Dec 3, 2011
def. Marco Huck on Feb 25, 2012
def. Hasim Rahman on Sep 29, 2012
def. Andrzej Wawrzyk on May 17, 2013
-1,23[87]
96 Bermane Stiverne
def. Chris Arreola
CanadaWBCMay 10, 2014January 17, 2015--1[88]
- Ruslan Chagaev
def. Fres Oquendo
UzbekistanWBA (Regular)July 6, 2014March 5, 2016def. Francesco Pianeta on Jul 11, 2015
-1[83]
97 Deontay Wilder United StatesWBCJanuary 17, 2015February 22, 2020def. Eric Molina on Jun 13, 2015
def. Johann Duhaupas on Sep 26, 2015
def. Artur Szpilka on Jan 16, 2016
def. Chris Arreola on Jul 16, 2016
def. Gerald Washington on Feb 25, 2017
def. Bermane Stiverne on Nov 4, 2017
def. Luis Ortiz on Mar 3, 2018
draw vs. Tyson Fury on Dec 1, 2018
def. Dominic Breazeale on May 18, 2019
def. Luis Ortiz on Nov 23, 2019
-[89]
98 Tyson Fury United KingdomWBA (Super), IBF, and WBONovember 28, 2015December 8, 2015-The Ring3[90]
WBA (Super), and WBODecember 8, 2015October 12, 2016-2[90]
99 Charles Martin
def. Vyacheslav Glazkov
United StatesIBFJanuary 16, 2016April 9, 2016--1[91]
- Lucas Browne AustraliaWBA (Regular)March 5, 2016May 12, 2016--24[92]
100 Anthony Joshua United KingdomIBFApril 9, 2016April 29, 2017def. Dominic Breazeale on Jun 25, 2016
def. Eric Molina on Dec 10, 2016
def. Wladimir Klitschko on Apr 29, 2017
-[93]
WBA (Super), and IBFApril 29, 2017March 31, 2018def. Carlos Takam on Oct 28, 2017
def. Joseph Parker on Mar 31, 2018
-1[93]
WBA (Super), IBF, WBOMarch 31, 2018June 1, 2019def. Alexander Povetkin on Sep 22, 2018-[93]
- Ruslan Chagaev
awarded the title
UzbekistanWBA (Regular)May 12, 2016July 25, 2016--3[83]
101 Joseph Parker
def. Andy Ruiz Jr.
New ZealandWBODecember 10, 2016March 31, 2018def. Răzvan Cojanu on May 6, 2017
def. Hughie Fury on Sep 23, 2017
-1[94]
- Manuel Charr
def. Alexander Ustinov
SyriaWBA (Regular)November 25, 2017present--1[95]
102 Andy Ruiz Jr. United States
Mexico
WBA (Super), IBF, WBOJune 1, 2019December 7, 2019--[96]
103 Anthony Joshua (Second reign) United KingdomWBA (Super), IBF, WBODecember 7, 2019present--[93]
104 Tyson Fury (Second reign) United KingdomWBCFebruary 22, 2020present-The Ring[90]

Footnotes

  1. Won vacant championship title.
  2. Voluntarily relinquished championship title.
  3. Championship recognition withdrawn by sanctioning organization upon his refusal to fight an opponent of the organization's designation.
  4. In 1882, Sullivan defeated Paddy Ryan to win the bare-knuckle championship of America. A lack of legitimate challengers elsewhere gradually resulted in Sullivan earning worldwide recognition. On August 29, 1885, he defeated Dominick McCaffrey in a bout described as "the Marquess of Queensberry glove contest for the championship of the world."
  5. Corbett announced his retirement from boxing in 1895, nominating Steve O'Donnell as his successor. As tradition demanded the title be won in the ring, O'Donnell was matched against Peter Maher on November 11, 1895 at Maspeth, New York. Maher won via first-round knockout, but the public generally didn't accept Maher and Maher himself expressed a desire to fight Corbett for the "real" title. In Maher's next bout, Bob Fitzsimmons defeated him via first-round knockout on February 21, 1896. Fitzsimmons in turn was defeated by Tom Sharkey of Dundalk on December 2, 1896, in a contest billed as for the heavyweight title. Corbett announced his return to the ring shortly thereafter, at which time the championship claims of Maher, Fitzsimmons, and Sharkey were for the most part dismissed. Sharkey's title claims lapsed when he was defeated by Jeffries in May 1898.
  6. Jeffries announced his retirement, relinquishing the title and promoting a match between Marvin Hart and Jack Root for the championship. Jeffries returned to the ring to challenge Jack Johnson.
  7. The British National Sporting Club withdrew its recognition of Johnson as champion when he refused to defend his title against the British champion William "Iron" Hague. The NSC matched Hague with Canadian Sam Langford for its title on May 24, 1909. Langford won via fourth-round knockout but never pursued a championship claim.
  8. Schmeling earned championship recognition by defeating Jack Sharkey by controversial disqualification. The New York State Athletic Commission withdrew its recognition of Schmeling when he refused to grant Sharkey an immediate rematch. The NYSAC did not recognize a champion until Sharkey defeated Schmeling in 1932.
  9. In late 1934, the International Boxing Union (IBU) ordered Baer to defend his title against European champion Pierre Charles of Belgium. When Baer refused, the IBU sanctioned a bout between Charles and American George Godfrey for their title on October 2, 1935. Godfrey won via fifteen-round decision but never pursued a championship claim. The IBU ultimately recognized Baer's successor James J. Braddock as champion.
  10. Two months after Louis' retirement announcement, the International Boxing Union sanctioned a bout between British champion Bruce Woodcock and American Lee Savold for its version of the title. The bout was not staged until June 1950, however, due to delays caused by injuries suffered by Woodcock in an automobile accident. Meanwhile, Ezzard Charles defeated Jersey Joe Walcott to win the vacant National Boxing Association championship title. Savold defeated Woodcock in four rounds to win the IBU title, while Charles gained New York State Athletic Commission recognition and wide public acclaim as champion upon defeating former champion Joe Louis in September 1950. On June 15, 1951, Joe Louis defeat Savold via sixth-round knockout, after which the IBU withdrew its recognition of Savold and proclaimed Ezzard Charles as champion.
  11. Following Marciano's retirement, Patterson was matched against Tommy "Hurricane" Jackson in a championship eliminator on June 8, 1956. Winning via controversial split decision, Patterson then faced light heavyweight titleholder Archie Moore for the vacant title. Upon defeating Moore, Patterson fought (and defeated) Jackson a second time on July 29, 1957.
  12. The World Boxing Association withdrew their championship recognition of Clay (by then known as Muhammad Ali) upon agreeing to an immediate rematch against former champion Sonny Liston, in violation of WBA rules. The newly founded World Boxing Council and other sanctioning groups continued to recognize Ali as champion.
  13. The World Boxing Association, World Boxing Council, New York State Athletic Commission and others withdrew their championship recognition of Ali following his refusal to be inducted into the United States Army subsequent to his conscription.
  14. To fill its vacant championship title, the World Boxing Association organized a single-elimination tournament involving eight of their ranked contenders (Joe Frazier, who was ranked No. 2, declined to participate): Oscar Bonavena, Jimmy Ellis, Leotis Martin, Karl Mildenberger, two-time former champion Floyd Patterson, Jerry Quarry, Thad Spencer, and former WBA champion Ernie Terrell. In first round matches, Ellis defeated Martin, Quarry defeated Patterson, Spencer defeated Terrell, and Bonavena defeated Mildenberger. In the semi-finals, Ellis defeated Bonavena while Quarry defeated Spencer; and Ellis defeated Quarry for the championship title. Frazier, meanwhile, was matched against Buster Mathis for a championship recognized by the New York State Athletic Commission together with the commissions of Illinois, Maine, Massachusetts and Pennsylvania. Similar "world" championship recognition was bestowed upon him by the Texas Athletic Commission following a victory over Dave Zyglewicz on April 22, 1969.
  15. Frazier defeated Ellis to unify the heavyweight championship, but did not gain universal public acclaim as champion until defeating Muhammad Ali on March 8, 1971.
  16. In an unprecedented move, upon withdrawing its recognition of Leon Spinks as champion, the World Boxing Council immediately recognized Ken Norton as champion, based on an earlier victory over Jimmy Young. As a condition of being named champion, Norton was ordered to face the WBC's new mandatory challenger, Larry Holmes within 120 days.
  17. Holmes relinquished his World Boxing Council championship and accepted championship recognition bestowed by the newly organized International Boxing Federation.
  18. Following its 1978 precedent, upon withdrawing championship recognition from Riddick Bowe, the World Boxing Council immediately awarded championship recognition to Lennox Lewis, on the basis of his victory in an October 31, 1992 "championship eliminator" over Donovan Ruddock.
  19. Following its withdrawal of recognition from George Foreman, the International Boxing Federation sanctioned a December 9, 1995 match between FFrancoi and Axel Schulz for its championship. Botha won the bout by split decision, but the bout result and Botha's championship title were vacated after Botha's post-fight drug test revealed he had taken illegal anabolic steroids. A subsequent bout between Schulz and Michael Moorer was sanctioned for the IBF championship.
  20. Upon defeating John Ruiz, Roy Jones, Jr. simultaneously held the World Boxing Association's heavyweight and light heavyweight titles. At his request, the WBA suspended its rule prohibiting simultaneous title holding. It later declared Jones its "Champion in Recess," and sanctioned a December 13, 2003 bout between Ruiz and Hasim Rahman for its "interim" championship. Ruiz won the bout. 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 bout's result was subsequently changed to a "no contest," whereupon the WBA reinstated Ruiz as champion.
  21. Following repeated injuries to champion Vitali Klitschko, the World Boxing Council sanctioned an August 13, 2005 bout between Hasim Rahman and Monte Barrett for its "interim" championship. Rahman won the bout, and when Klitschko relinquished his title three months later, the WBC elevated Rahman to full championship recognition.
  22. Following repeated injuries which prevented him from defending his title, the World Boxing Association designated Chagaev a "Champion in Recess," sanctioning an August 30, 2008 bout between former champions John Ruiz and Nikolai Valuev for its "interim" title; a bout won by Valuev. Upon his recovery however, Chagaev opted to face Wladimir Klitschko rather than Valuev, whereupon the WBA withdrew championship recognition.
  23. The World Boxing Association modified its championship structure, creating a new "Super Champion" status to be awarded to champions who hold multiple titles simultaneously. Now subordinated to this was the status of "World Champion," commonly referred to as the "Regular" champion. The organization then sanctioned a bout between Povetkin and former champion Ruslan Chagaev for this "regular" title. Povetkin's reign as the WBA's "regular champion" ended upon a loss to "Super Champion" Wladimir Klitschko, at which point the "regular" title was vacant.
  24. Browne defeated Ruslan Chagaev for the World Boxing Association's "regular" championship title, but Browne subsequently tested positive for Clenbuterol, a banned substance. Following confirmation of the positive result, the WBA withdrew its recognition of Browne's "regular" championship.
  25. On October 29, 1877 a fight between British fighters Tom Allen and Tompkin Gilbert at the Sadler's Wells Theatre, London was billed as for the World heavyweight title under Marquess of Queensberry Rules. Allen won in seven rounds.

List of combined reigns

As of February 22, 2020.

Keys:

     Active title reign
     Reign has ended
WBO heavyweight title bouts before August 1997 are not included[97]
Pos. Name Combined reign Days as champion Number of reigns Title recognition Cumulative title wins Opponents beaten
1. Wladimir Klitschko12 years, 0 months, 0 days4 3822IBF, WBA, WBO2523
2. Joe Louis11 years, 8 months, 8 days4 2701NYSAC, NBA2722
3. Muhammad Ali9 years, 5 months, 5 days3 4433NYSAC, WBC, WBA2221
4. Lennox Lewis8 years, 5 months, 13 days3 0863WBC, IBF, WBA1515
5. Vitali Klitschko7 years, 5 months, 28 days2 7353WBO, WBC1515
6. Larry Holmes7 years, 3 months, 12 days2 6611WBC, IBF2020
7. Jack Dempsey7 years, 2 months, 19 days2 6381NYSAC, NBA66
8. John L. Sullivan7 years, 0 months, 10 days2 5661Universal55
9. Jack Johnson6 years, 3 months, 11 days2 2921Universal66
10. Evander Holyfield6 years, 1 month, 1 day2 2234WBA, WBC, IBF1110
11. James J. Jeffries5 years, 11 months, 4 days2 1561Universal86
12. Deontay Wilder5 years, 1 month, 5 days1 7901WBC108
13. Joe Frazier4 years, 10 months, 18 days1 7851NYSAC, WBA, WBC1010
14. Floyd Patterson4 years, 10 months, 0 days1 7652NYSAC, NBA87
15. James J. Corbett4 years, 6 months, 10 days1 6521Universal22
16. Jess Willard4 years, 2 months, 29 days1 5511Universal22
17. Chris Byrd3 years, 10 months, 22 days1 4212IBF, WBO55
18. Mike Tyson3 years, 10 months, 16 days1 4152WBA, WBC, IBF1211
19. John Ruiz3 years, 9 months, 21 days1 3902WBA44
20. Rocky Marciano3 years, 7 months, 5 days1 3121NYSAC, NBA75

List of individual reigns

The list includes The Ring belt. Career total time as champion (for multiple time champions) does not apply.

Keys:

     Active Title Reign
     Reign has ended
The WBO heavyweight title bouts before August 1997 are not included
Pos. Name Title Reign Title recognition Successful Defenses Opponents beaten
1. Joe Louis11 years, 8 months, 8 daysUniversal2621
2. Wladimir Klitschko9 years, 7 months and 6 daysIBF (+WBA, WBO, The Ring)1817
3. Larry Holmes7 years, 3 months, 12 daysWBC-to-IBF (+The Ring)1919
4. Jack Dempsey7 years, 2 months, 19 daysUniversal55
5. John L. Sullivan7 years, 0 months, 9 daysUniversal55
6. Jack Johnson6 years, 3 months, 10 daysUniversal66
7. Muhammad Ali5 years, 11 months, 9 daysThe Ring, (+WBA, WBC stripped)99
8. James J. Jeffries5 years, 11 months, 4 daysUniversal76
9. Vitali Klitschko5 years, 2 months, 4 daysWBC99
10. Deontay Wilder5 years, 7 months and 1 dayWBC108
11. Joe Frazier4 years, 10 months, 18 daysNYSAC (+WBA, WBC)99
12. James J. Corbett4 years, 6 months, 10 daysUniversal11
13. Jess Willard4 years, 2 months, 29 daysUniversal11
14. Lennox Lewis4 years, 2 months, 15 daysWBC (+IBF, WBA stripped, The Ring)98
15. Rocky Marciano3 years, 11 months, 29 daysUniversal65
16. Chris Byrd3 years, 4 months, 8 daysIBF44
17. Mike Tyson3 years, 2 months, 20 daysWBC (+WBA, IBF, The Ring)99
18. Anthony Joshua3 years, 1 month and 23 daysIBF (+WBA, WBO)66
19. George Foreman3 years, 0 months, 17 days(+WBA, IBF stripped)22
20. Evander Holyfield3 years, 0 months, 4 daysWBA (+IBF)44

By nationality

Map of countries, number of current and former world heavyweight boxing champions per country (as of February 2020). Note: interim titles, as well as WBA's secondary belts (Regular, Gold etc.) are not included
Country Total Boxers by Name
 United States 56 John L. Sullivan, James J. Corbett, James J. Jeffries, Marvin Hart, Jack Johnson, Jess Willard, Jack Dempsey, Gene Tunney, Jack Sharkey, Max Baer, James J. Braddock, Joe Louis, Ezzard Charles, Lee Savold, Jersey Joe Walcott, Rocky Marciano, Floyd Patterson, Sonny Liston, Muhammad Ali, Ernie Terrell, Joe Frazier, Jimmy Ellis, George Foreman, Leon Spinks, Ken Norton, Larry Holmes, John Tate, Mike Weaver, Michael Dokes, Tim Witherspoon, Pinklon Thomas, Greg Page, Tony Tubbs, Michael Spinks, Mike Tyson, James Smith, Tony Tucker, Buster Douglas, Evander Holyfield, Ray Mercer, Michael Moorer, Riddick Bowe, Tommy Morrison, Michael Bentt, Oliver McCall, Bruce Seldon, Chris Byrd, John Ruiz, Hasim Rahman, Roy Jones Jr., Lamon Brewster, Shannon Briggs, Oleg Maskaev*, Deontay Wilder, Charles Martin, Andy Ruiz Jr.*
 United Kingdom 8 Bob Fitzsimmons, Lennox Lewis*, Herbie Hide, Frank Bruno, Henry Akinwande, David Haye, Tyson Fury, Anthony Joshua
 Canada 4 Lennox Lewis*, Tommy Burns, Trevor Berbick*, Bermane Stiverne
 Russia 3 Nikolai Valuev, Oleg Maskaev*, Sultan Ibragimov
 Italy 2 Primo Carnera, Francesco Damiani
 South Africa 2 Gerrie Coetzee, Corrie Sanders
 Ukraine 2 Vitali Klitschko, Wladimir Klitschko
 Germany 1 Max Schmeling
 Sweden 1 Ingemar Johansson
 Belarus 1 Siarhei Liakhovich
 Uzbekistan 1 Ruslan Chagaev
 Nigeria 1 Samuel Peter
 New Zealand 1 Joseph Parker
 Mexico 1 Andy Ruiz Jr.*
 Jamaica 1 Trevor Berbick*

See also

Further reading

  • Florio, John; Shapiro, Ouisie (2013). One Punch from the Promised Land: Leon Spinks, Michael Spinks, and the Myth of the Heavyweight Title. Lyons Press. p. 279. ISBN 978-0-7627-8300-7.

References

  1. "11. Weight Category" (PDF). World Bpxing Association World Championships Regulations. World Boxing Association. Archived from the original (PDF) on August 9, 2007. Retrieved August 11, 2007. Heavy More than 200 Lbs.
  2. "Ratings Heavyweight (over 200–90.719)". World Boxing Council. Archived from the original on August 10, 2007. Retrieved August 11, 2007.
  3. "4. Weight Classes". IBO and also the sumo board of control. But Championship Rules & Regulations. International Boxing Organization. Retrieved August 11, 2007. Heavyweight Over 200 lbs.
  4. "3. Weight Classes" (PDF). Regulations of World Championship Contests. World Boxing Organization. Archived from the original (pdf) on September 26, 2007. Retrieved August 11, 2007. Heavyweight Over 200lbs or 90.91 kg.
  5. "[[International Boxing Federation]] rules: governing championship contests" (PDF). Archived from the original (PDF) on February 5, 2018. Retrieved March 15, 2020.
  6. World Boxing Organization: regulation of world championship contests
  7. World Boxing Association rules and regulations
  8. Davies, Gareth A. (October 12, 2008). "David Haye confident he can take down both Klitschko brothers". The Daily Telegraph. London, UK. Retrieved November 1, 2009.
  9. "The Boxing Register: International Boxing Hall Of Fame Official Record Book" (pdf). International Boxing Hall Of Fame. Retrieved May 26, 2019.
  10. "The Ring updates championship policy". Ring TV. May 3, 2012.
  11. "Boxing champions list". ESPN.com. February 23, 2015.
  12. "Professional boxing record: John L. Sullivan". Retrieved March 14, 2020.
  13. "Professional boxing record: James J. Corbett". Retrieved March 14, 2020.
  14. "Professional boxing record: Bob Fitzsimmons". Retrieved March 14, 2020.
  15. "Professional boxing record: James J. Jeffries". Retrieved March 14, 2020.
  16. "Professional boxing record: Marvin Hart". Retrieved March 14, 2020.
  17. "Professional boxing record: Tommy Burns". Retrieved March 14, 2020.
  18. "Professional boxing record: Jack Johnson". Retrieved March 14, 2020.
  19. "Professional boxing record: Jess Willard". Retrieved March 14, 2020.
  20. "Professional boxing record: Jack Dempsey". Retrieved March 14, 2020.
  21. "Professional boxing record: Gene Tunney". Retrieved March 14, 2020.
  22. "Professional boxing record: Max Schmeling". Retrieved March 14, 2020.
  23. "Professional boxing record: Jack Sharkey". Retrieved March 14, 2020.
  24. "Professional boxing record: Primo Carnera". Retrieved March 14, 2020.
  25. "Professional boxing record: Max Baer". Retrieved March 14, 2020.
  26. "Professional boxing record: Jim Braddock". Retrieved March 14, 2020.
  27. "Professional boxing record: Joe Louis". Retrieved March 14, 2020.
  28. "Joe Louis, p. 575" (pdf). The Boxing Register: International Boxing Hall Of Fame Official Record Book. International Boxing Hall Of Fame. Retrieved May 26, 2019. Johnny Davis, Ret-World-H
  29. "Professional boxing record: Ezzard Charles". Retrieved March 14, 2020.
  30. "Professional boxing record: Jersey Joe Walcott". Retrieved March 14, 2020.
  31. "Professional boxing record: Rocky Marciano". Retrieved March 14, 2020.
  32. "Professional boxing record: Floyd Patterson". Retrieved March 14, 2020.
  33. "Professional boxing record: Ingemar Johansson". Retrieved March 14, 2020.
  34. "Professional boxing record: Sonny Liston". Retrieved March 14, 2020.
  35. "Professional boxing record: Muhammad Ali". Retrieved March 14, 2020.
  36. "Professional boxing record: Ernie Terrell". Retrieved March 14, 2020.
  37. "Professional boxing record: Joe Frazier". Retrieved March 14, 2020.
  38. "Professional boxing record: Jimmy Ellis". Retrieved March 14, 2020.
  39. "Professional boxing record: George Foreman". Retrieved March 14, 2020.
  40. "Professional boxing record: Leon Spinks". Retrieved March 14, 2020.
  41. "Professional boxing record: Ken Norton". Retrieved March 15, 2020.
  42. "Professional boxing record: Larry Holmes". Retrieved March 15, 2020.
  43. "Professional boxing record: John Tate". Retrieved March 15, 2020.
  44. "Professional boxing record: Mike Weaver". Retrieved March 15, 2020.
  45. "Professional boxing record: Michael Dokes". Retrieved March 15, 2020.
  46. "Professional boxing record: Gerrie Coetzee". Retrieved March 15, 2020.
  47. "Professional boxing record: Tim Witherspoon". Retrieved March 15, 2020.
  48. "Professional boxing record: Pinklon Thomas". Retrieved March 15, 2020.
  49. "Professional boxing record: Greg Page". Retrieved March 15, 2020.
  50. "Professional boxing record: Tony Tubbs". Retrieved March 15, 2020.
  51. "Professional boxing record: Michael Spinks". Retrieved March 18, 2020.
  52. "Professional boxing record: Trevor Berbick". Retrieved March 18, 2020.
  53. "Professional boxing record: Mike Tyson". Retrieved March 18, 2020.
  54. "Professional boxing record: James Smith". Retrieved March 18, 2020.
  55. "Professional boxing record: Tony Tucker". Retrieved March 18, 2020.
  56. "Professional boxing record: Francesco Damiani". Retrieved March 19, 2020.
  57. "Professional boxing record: James Douglas". Retrieved March 19, 2020.
  58. "Professional boxing record: Evander Holyfield". Retrieved March 19, 2020.
  59. "Professional boxing record: Ray Mercer". Retrieved March 19, 2020.
  60. "Professional boxing record: Michael Moorer". Retrieved March 19, 2020.
  61. "Professional boxing record: Riddick Bowe". Retrieved March 19, 2020.
  62. "Professional boxing record: Lennox Lewis". Retrieved March 19, 2020.
  63. "Professional boxing record: Tommy Morrison". Retrieved March 19, 2020.
  64. "Professional boxing record: Michael Bentt". Retrieved March 19, 2020.
  65. "Professional boxing record: Herbie Hide". Retrieved March 19, 2020.
  66. "Professional boxing record: Oliver McCall". Retrieved March 19, 2020.
  67. "Professional boxing record: Bruce Seldon". Retrieved March 19, 2020.
  68. "Professional boxing record: Frank Bruno". Retrieved March 19, 2020.
  69. "Professional boxing record: Henry Akinwande". Retrieved March 19, 2020.
  70. "Professional boxing record: Vitali Klitschko". Retrieved March 19, 2020.
  71. "Professional boxing record: Chris Byrd". Retrieved March 19, 2020.
  72. "Professional boxing record: Wladimir Klitschko". Retrieved March 20, 2020.
  73. "Professional boxing record: John Ruiz". Retrieved March 20, 2020.
  74. "Professional boxing record: Hasim Rahman". Retrieved March 20, 2020.
  75. "Professional boxing record: Roy Jones Jr". Retrieved March 20, 2020.
  76. "Professional boxing record: Corrie Sanders". Retrieved March 20, 2020.
  77. "Professional boxing record: Lamon Brewster". Retrieved March 21, 2020.
  78. "Professional boxing record: Nikolai Valuev". Retrieved March 21, 2020.
  79. "Professional boxing record: Siarhei Liakhovich". Retrieved March 21, 2020.
  80. "Professional boxing record: Oleg Maskaev". Retrieved March 21, 2020.
  81. "Президент России предоставил гражданство Олегу Маскаеву".
  82. "Professional boxing record: Shannon Briggs". Retrieved March 21, 2020.
  83. "Professional boxing record: Ruslan Chagaev". Retrieved March 20, 2020.
  84. "Professional boxing record: Sultan Ibragimov". Retrieved March 21, 2020.
  85. "Professional boxing record: Samuel Peter". Retrieved March 21, 2020.
  86. "Professional boxing record: David Haye". Retrieved March 21, 2020.
  87. "Professional boxing record: Alexander Povetkin". Retrieved March 21, 2020.
  88. "Professional boxing record: Bermane Stiverne". Retrieved March 21, 2020.
  89. "Professional boxing record: Deontay Wilder". Retrieved March 21, 2020.
  90. "Professional boxing record: Tyson Fury". Retrieved March 20, 2020.
  91. "Professional boxing record: Charles Martin". Retrieved March 20, 2020.
  92. "Professional boxing record: Lucas Browne". Retrieved March 20, 2020.
  93. "Professional boxing record: Anthony Joshua". Retrieved March 20, 2020.
  94. "Professional boxing record: Joseph Parker". Retrieved March 20, 2020.
  95. "Professional boxing record: Manuel Charr". Retrieved March 20, 2020.
  96. "Professional boxing record: Andy Ruiz Jr". Retrieved March 20, 2020.
  97. James B. Roberts, Alexander G. Skutt: The Boxing Register: International Boxing Hall of Fame Official Record Book, p. 331–32. The record of Ricardo Lopez indicates his opponent Alex Sánchez as WBO "World Champion" on August 23, 1997, meanwhile Michael Carbajal's opponent Josue Camacho (fought on July 15, 1994) didn't receive the same recognition, thus suggesting that WBO title hadn't been viewed by IBHOF as a major title prior to (at least) August 1997, when Herbie Hide (won the title on June 28, 1997) was WBO heavyweight champion

Sources

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