Wikipedia

List of boxing quadruple champions

A quadruple champion in boxing refers to a boxer who has won world titles in four different categories of weight.

Recognition

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Major sanctioning bodies

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There is some dispute on which sanctioning body is considered "major" enough to award championships. The "Big 4" sanctioning bodies are always included. They are arranged in order of foundation:

The Ring

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The Ring, boxing's most respected magazine, has awarded world championships in professional boxing within each weight class from its foundation in 1922 until the 1990s, and again since 2001. The Ring champions were at one point held the linear reign to the throne, the man who beat the man. The lineal champion is also known as the true champion of the division. The Ring stopped giving belts to world champions in the 1990s but began again in 2002.

In 2002, The Ring attempted to clear up the confusion regarding world champions by creating a championship policy. It echoed many critics' arguments that the sanctioning bodies in charge of boxing championships had undermined the sport by pitting undeserving contenders against undeserving "champions", and forcing the boxing public to see mismatches for so-called "world championships". The Ring attempted to clear up the confusion regarding world champions by creating a championship policy that is "intended to reward fighters who, by satisfying rigid criteria, can justify a claim as the true and only world champion in a given weight class." The Ring claims to be more authoritative and open than the sanctioning bodies' rankings, with a page devoted to full explanations for ranking changes. A fighter pays no sanctioning fees to defend or fight for the title at stake, contrary to practices of the sanctioning bodies. Furthermore, a fighter cannot be stripped of the title unless he loses, decides to move to a different weight division, or retires.

There are currently only two ways that a boxer can win The Ring's title: defeat the reigning champion; or win a box-off between the magazine's number-one and number-two rated contenders (or, sometimes, number-one and number-three rated). A vacant Ring championship is filled when the number-one contender in a weight-division battles the number-two contender or the number-three contender (in cases where The Ring determines that the number-two and number-three contenders are close in abilities and records).

In May 2012, citing the number of vacancies in various weight classes as primary motivation, The Ring unveiled a new championship policy. Under the new policy, The Ring title can be awarded when the No. 1 and No. 2 fighters face one another or when the Nos. 1 and 2 contenders choose not to fight one another and either of them fights No. 3, No. 4 or No. 5, the winner may be awarded The Ring belt. In addition, there are now six ways for a fighter to lose his title: lose a fight in his championship weight class; move to another weight class; not schedule a fight in any weight class for 18 months; not schedule a fight in his championship weight class for 18 months, even if fighting at another weight class; not scheduling a fight with a top 5 contender in any weight class for two years; or retiring.

Many media outlets and members are extremely critical of the new championship policy and state that if this new policy is followed The Ring title will lose the credibility it once held.

Lineal

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The Transnational Boxing Rankings Board (TBRB) hands out the official version of the lineal championship. TBRB awards vacant championships when the two top-ranked fighters in any division meet and currently recognizes legitimate world champions or "true champions" each weight classes. The Board was formed to continue where The Ring "left off" in the aftermath of its purchase by Golden Boy Promotions in 2007 and the following dismissal of Nigel Collins. After the new editors announced a controversial new championship policy in May 2012, three prominent members of the Ring Advisory Panel resigned. This three members (Springs Toledo, Cliff Rold and Tim Starks) became the founding members of the Transnational Boxing Rankings Board, which was formed over the summer of 2012 with the assistance of Stewart Howe of England.

Since 2012, lineal champions are predetermined by the Transnational Boxing Rankings Board, which promotes the concept of a singular world champion per weight class.[1] Lineal champions are listed on Cyber Boxing Zone website which list lineal champions of the Queensberry Era to date.[2]

Minor sanctioning bodies

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They are: International Boxing Organization (IBO), World Professional Boxing Federation (WPBF), International Boxing Association (IBA), International Boxing Council (IBC), International Boxing Board (IBB), International Boxing League (IBL), International Boxing Union (IBU), Global Boxing Association (GBA), Global Boxing Council (GBC), Global Boxing Federation GBF, Global Boxing Organization (GBO), Global Boxing Union (GBU), National Boxing Association (NBA), Transcontinental World Boxing Association (TWBA), Universal Boxing Association (UBA), Universal Boxing Council (UBC), Universal Boxing Federation (UBF), Universal Boxing Organization (UBO), UNIBOX, United States Boxing Council (USBC), World Athletic Association (WAA), World Boxing Board (WBB), World Boxing Championship Committee (WBCC), World Boxing Foundation (WBFo), World Boxing Institute (WBI), World Boxing League (WBL), World Boxing Network (WBN), World Boxing Union (WBU).

Note:

  • The International Boxing Association (IBA) is not to be confused with the International Boxing Association (AIBA), a French acronym for Association Internationale de Boxe Amateur, which sanctions amateur matches.
  • The National Boxing Association (NBA) was established in 1984 and is not to be confused with the original National Boxing Association that was established in 1921 and changed its name to World Boxing Association (WBA) in 1962.

List of men's quadruple champions

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This list is credited for boxers who have won championships in boxing from major sanctioning bodies (WBA, WBC, IBF, WBO), The Ring.

WBA has four recognized world champions, Super, Undisputed, Unified, and Regular. The highest tier title is considered the primary champion of the division. Only boxers who are in the primary champion lineage are listed.

The ranking of WBA's primary champions are as follows:

  • Super/Undisputed
  • Unified
  • Regular
Inducted into the International Boxing Hall of Fame
World Titles from The Ring
‡ WBA Regular Champion as primary title because WBA Super, Undisputed, and Unified is vacant/vacated during his title reign.
No. Name Titles Date Opponent Result
1  
Thomas Hearns[3] 		WBA Welterweight Aug 2, 1980 Pipino Cuevas TKO 2/15
WBC Light middleweight Dec 3, 1982 Wilfred Benítez MD 15/15
The Ring Light middleweight
WBC Light heavyweight Mar 7, 1987 Dennis Andries TKO 10/12
WBC Middleweight Oct 29, 1987 Juan Domingo Roldán KO 4/12
WBA Light heavyweight Mar 6, 1991 Virgil Hill UD 12/12
2  
Sugar Ray Leonard[4] 		WBC Welterweight Nov 30, 1979 Wilfred Benítez TKO 15/15
The Ring Welterweight
WBC Welterweight – (2) Nov 25, 1980 Roberto Durán TKO 8/15
The Ring Welterweight – (2)
WBA Light middleweight Jun 25, 1981 Ayub Kalule TKO 9/15
The Ring Light middleweight
WBA Welterweight Sep 16, 1981 Thomas Hearns TKO 14/15
WBC Middleweight Apr 6, 1987 Marvin Hagler SD 12/12
The Ring Middleweight
WBC Super middleweight Nov 7, 1988 Don Lalonde TKO 9/12
3  
Roberto Durán[5] 		WBA Lightweight Jun 26, 1972 Ken Buchanan TKO 13/15
The Ring Lightweight
WBC Lightweight Jan 21, 1978 Esteban de Jesús TKO 12/15
WBC Welterweight Jun 20, 1980 Sugar Ray Leonard UD 15/15
The Ring Welterweight
WBA Light middleweight Jun 16, 1983 Davey Moore TKO 8/15
WBC Middleweight Feb 24, 1989 Iran Barkley SD 12/12
4 Pernell Whitaker[6] IBF Lightweight Feb 18, 1989 Greg Haugen UD 12/12
WBC Lightweight Aug 20, 1989 José Luis Ramírez UD 12/12
The Ring Lightweight
WBA Lightweight Aug 11, 1990 Juan Nazario KO 1/12
IBF Light welterweight Jul 18, 1992 Rafael Pineda UD 12/12
WBC Welterweight Mar 6, 1993 James McGirt UD 12/12
WBA Light middleweight Mar 4, 1995 Julio César Vásquez UD 12/12
5  
Oscar De La Hoya[7] 		WBO Super featherweight Mar 5, 1994 Jimmy Bredahl TKO 10/12
WBO Lightweight Feb 18, 1995 John-John Molina UD 12/12
IBF Lightweight May 6, 1995 Rafael Ruelas TKO 2/12
WBC Light welterweight Jun 7, 1996 Julio César Chávez TKO 4/12
WBC Welterweight Apr 12, 1997 Pernell Whitaker UD 12/12
WBC Welterweight – (2) Mar 21, 2000 No. 1 contender promoted[8]
6 Leo Gámez[9] WBA Mini flyweight Jan 10, 1988 Kim Bong Jun UD 12/12
WBA Light flyweight Oct 21, 1993 Shiro Yahiro TKO 9/12
WBA Flyweight Mar 13, 1999 Hugo Rafael Soto KO 3/12
WBA Super flyweight Oct 9, 2000 Hideki Todaka KO 7/12
7  
Roy Jones Jr.[10] 		IBF Middleweight May 22, 1993 Bernard Hopkins UD 12/12
IBF Super middleweight Oct 21, 1993 James Toney UD 12/12
WBC Light heavyweight Jan 13, 1997 Interim promoted[11]
WBC Light heavyweight – (2) Aug 7, 1997 Montell Griffin KO 1/12
WBC Light heavyweight – (3) Jun 1998 Reinstated
WBA Light heavyweight, later promoted to inaugural Super champion;
Status changed to Unified champion on WBA's official rankings. 		Jul 18, 1998 Lou Del Valle UD 12/12
Super
Dec 2000
Unified
Aug 5, 2002
IBF Light heavyweight Jun 5, 1999 Reggie Johnson UD 12/12
The Ring Light heavyweight 2001 Awarded
WBA Heavyweight Mar 1, 2003 John Ruiz UD 12/12
WBA (Unified) Light heavyweight – (2) Nov 8, 2003 Antonio Tarver UD 12/12
WBC Light heavyweight – (4)
8  
Floyd Mayweather Jr.[12] 		WBC Super featherweight Oct 3, 1998 Genaro Hernandez RTD 8/12
WBC Lightweight Apr 20, 2002 José Luis Castillo UD 12/12
The Ring Lightweight
WBC Light welterweight Jun 25, 2005 Arturo Gatti TKO 6/12
IBF Welterweight Apr 8, 2006 Zab Judah UD 12/12
WBC Welterweight Nov 4, 2006 Carlos Baldomir UD 12/12
The Ring Welterweight
WBC Welterweight – (2) Dec 17, 2011 Victor Ortiz KO

4/12

The Ring Welterweight – (2) May 4, 2013 Robert Guerrero UD 12/12
WBA (Unified) Welterweight May 3, 2014 Marcos Maidana MD 12/12
WBO Welterweight May 2, 2015 Manny Pacquiao UD 12/12
9  
Manny Pacquiao[13] 		WBC Flyweight Dec 4, 1998 Chatchai Sasakul KO 8/12
IBF Super bantamweight Jun 23, 2001 Lehlohonolo Ledwaba KO 6/12
The Ring Featherweight Nov 15, 2003 Marco Antonio Barrera TKO 11/12
WBC Super featherweight Mar 15, 2008 Juan Manuel Márquez SD 12/12
The Ring Super featherweight
10  
Érik Morales[14] 		WBC Super bantamweight Sep 6, 1997 Daniel Zaragoza KO 11/12
WBO Super bantamweight Feb 19, 2000 Marco Antonio Barrera SD 12/12
WBC Featherweight Feb 17, 2001 Guty Espadas Jr. UD 12/12
WBC Featherweight – (2) Nov 16, 2002 Paulie Ayala UD 12/12
WBC Super featherweight Feb 28, 2004 Jesus Chavez UD 12/12
IBF Super featherweight Jul 31, 2004 Carlos Hernández UD 12/12
WBC Light welterweight Sep 17, 2011 Pablo Cesar Cano TKO 10/12
11 Jorge Arce[15] WBO Light flyweight Dec 5, 1998 Juan Domingo Cordoba UD 12/12
WBC Light flyweight Jul 6, 2002 Choi Yo-sam TKO 6/12
WBO Super flyweight Jan 30, 2010 Angky Angkotta TD 7/12
WBO Super bantamweight May 7, 2011 Wilfredo Vazquez, Jr. TKO 12/12
WBO Bantamweight Nov 26, 2011 Angky Angkotta UD 12/12
12  
Juan Manuel Márquez[16] 		IBF Featherweight Feb 1, 2003 Manuel Medina TKO 7/12
WBA (Unified) Featherweight Nov 1, 2003 Derrick Gainer TD 7/12
WBO Featherweight

(Interim‡)

Dec 6, 2006 Interim promoted[17]
WBC Super featherweight Mar 17, 2007 Marco Antonio Barrera UD 12/12
The Ring Lightweight Sep 13, 2008 Joel Casamayor TKO 11/12
WBA (Super) Lightweight Feb 28, 2009 Juan Díaz TKO 9/12
WBO Lightweight
WBO Light welterweight

(Interim‡)

Jun 28, 2012 Interim promoted[18]
13  
Nonito Donaire[19] 		IBF Flyweight Jul 7, 2007 Vic Darchinyan TKO 5/12
WBC Bantamweight Feb 19, 2011 Fernando Montiel KO 2/12
WBO Bantamweight
WBO Super bantamweight Feb 4, 2012 Wilfredo Vázquez, Jr. SD 12/12
IBF Super bantamweight Jul 7, 2012 Jeffrey Mathebula UD 12/12
The Ring Super bantamweight Oct 13, 2012 Toshiaki Nishioka TKO 9/12
WBA (Undisputed) Featherweight May 31, 2014 Simpiwe Vetyeka TD 5/12
WBO Super bantamweight – (2) Dec 11, 2015 Cesar Juarez UD 12/12
WBA (Super) Bantamweight Nov 3, 2018 Ryan Burnett RTD 4/12
WBC Bantamweight – (2) May 29, 2021 Nordine Oubaali KO 4/12
14  
Miguel Cotto[20] 		WBO Light welterweight Sep 11, 2004 Kelson Pinto TKO 6/12
WBA (Regular‡) Welterweight Dec 2, 2006 Carlos Quintana RTD 5/12
WBO Welterweight Feb 21, 2009 Michael Jennings TKO 5/12
WBA (Regular‡) Light middleweight Regular‡
Jun 5, 2010 		Yuri Foreman TKO 9/12
Super
Oct 15, 2010 		Regular‡ promoted[21]
WBC Middleweight Jun 7, 2014 Sergio Martinez RTD 9/12
The Ring Middleweight
WBO Light middleweight Aug 26, 2017 Yoshihiro Kamegai UD 12/12
15  
Adrien Broner[22] 		WBO Super featherweight Nov 26, 2011 Vicente Martín Rodríguez KO 3/12
WBC Lightweight Nov 17, 2012 Antonio DeMarco TKO 8/12
WBA (Regular‡) Welterweight Jun 22, 2013 Paulie Malignaggi SD 12/12
WBA (Regular‡) Light welterweight Regular‡
Oct 3, 2015 		Khabib Allakhverdiev TKO 12/12
Super
Nov 5, 2015 		Regular‡ promoted[23]
16  
Román González[24] 		WBA Mini flyweight Sep 15, 2008 Yutaka Niida TKO 4/12
WBA Light flyweight Regular‡
Feb 5, 2011 		Interim promoted[25]
Super
Nov 30, 2012 		Regular‡ promoted[26]
WBC Flyweight Sep 5, 2014 Akira Yaegashi TKO 9/12
The Ring Flyweight
WBC Super flyweight Sep 11, 2016 Carlos Cuadras UD 12/12
WBA (Super) Super flyweight Feb 29, 2020 Kal Yafai TKO 9/12
17  
Mikey Garcia[27] 		WBO Featherweight Jan 19, 2013 Orlando Salido TD 9/12
The Ring Featherweight
WBO Super featherweight Nov 9, 2013 Román Martínez KO 8/12
WBC Lightweight Jan 28, 2017 Dejan Zlatičanin KO 3/12
IBF Light welterweight Mar 20, 2018 Sergey Lipinets UD 12/12
IBF Lightweight Jul 28, 2018 Robert Easter Jr. UD 12/12
18  
Donnie Nietes[28] 		WBO Mini flyweight Sep 7, 2007 Pornsawan Porpramook UD 12/12
WBO Light flyweight Oct 8, 2011 Ramón García Hirales UD 12/12
The Ring Light flyweight May 10, 2014 Moisés Fuentes TKO 9/12
IBF Flyweight Apr 29, 2017 Komgrich Nantapech UD 12/12
WBO Super flyweight Dec 31, 2018 Kazuto Ioka SD 12/12
19
Kazuto Ioka[29] 		WBC Mini flyweight Feb 11, 2011 Oleydong Sithsamerchai TKO 5/12
WBA Mini flyweight Jun 20, 2012 Akira Yaegashi UD 12/12
WBA (Regular‡) Light flyweight Jan 14, 2014 Primary champion vacant
WBA (Regular‡) Flyweight Sep 14, 2016 Primary champion vacant
WBO Super flyweight Jun 19, 2019 Aston Palicte TKO 10/12
WBA Super flyweight Jun 24, 2023 Joshua Franco UD 12/12
20
Léo Santa Cruz[30] 		IBF Bantamweight Jun 2, 2012 Vusi Malinga UD 12/12
WBC Super bantamweight Aug 24, 2014 Victor Terrazas TKO 3/12
WBA (Super) Featherweight Aug 29, 2015 Abner Mares MD 12/12
WBA (Super) Featherweight – (2) Jul 30, 2016 Carl Frampton MD 12/12
WBA (Super) Super featherweight Nov 23, 2019 Miguel Flores UD 12/12
21  
Canelo Álvarez[31] 		WBC Light middleweight Mar 5, 2011 Matthew Hatton UD 12/12
The Ring Light middleweight Apr 20, 2013 Austin Trout UD 12/12
WBC Middleweight Nov 21, 2015 Miguel Cotto UD 12/12
The Ring Middleweight
WBO Light middleweight Sep 17, 2016 Liam Smith KO 9/12
WBA (Super) Middleweight Sep 15, 2018 Gennady Golovkin MD 12/12
WBC Middleweight – (2)
The Ring Middleweight – (2)
IBF Middleweight May 4, 2019 Daniel Jacobs UD 12/12
WBO Light heavyweight Nov 2, 2019 Sergey Kovalev KO 11/12
WBA (Super) Super middleweight Dec 19, 2020 Callum Smith UD 12/12
WBC Super middleweight
The Ring Super middleweight
WBO Super middleweight May 8, 2021 Billy Joe Saunders RTD 8/12
IBF Super middleweight Nov 6, 2021 Caleb Plant TKO 11/12
22
 
Naoya Inoue[32] 		WBC Light flyweight Apr 6, 2014 Adrián Hernández KO 6/12
WBO Super flyweight Dec 30, 2014 Omar Narváez KO 2/12
WBA (Unified) Bantamweight May 25, 2018 Jamie McDonnell KO 1/12
IBF Bantamweight May 18, 2019 Emmanuel Rodríguez KO 2/12
The Ring Bantamweight
WBA (Super) Bantamweight Nov 7, 2019 Nonito Donaire UD 12/12
WBC Bantamweight Jun 7, 2022 TKO 2/12
WBO Bantamweight Dec 13, 2022 Paul Butler KO 11/12
WBC Super bantamweight Jul 25, 2023 Stephen Fulton TKO 8/12
WBO Super bantamweight
WBA (Super) Super bantamweight Dec 26, 2023 Marlon Tapales KO 10/12
IBF Super bantamweight
The Ring Super bantamweight
23
Kosei Tanaka[33] 		WBO Mini flyweight May 30, 2015 Julian Yedras UD 12/12
WBO Light flyweight Dec 31, 2016 Moisés Fuentes TKO 5/12
WBO Flyweight Sep 24, 2018 Sho Kimura MD 12/12
WBO Super flyweight Feb 24, 2024 Christian Bacasegua UD 12/12
24
Terence Crawford[34] 		WBO Lightweight Mar 1, 2014 Ricky Burns UD 12/12
The Ring Lightweight Nov 29, 2014 Ray Beltrán UD 12/12
WBO Light welterweight Apr 18, 2015 Thomas Dulorme TKO 6/12
WBC Light welterweight Jul 23, 2016 Viktor Postol UD 12/12
The Ring Light welterweight
IBF Light welterweight Aug 19, 2017 Julius Indongo KO 3/12
WBA (Super) Light welterweight
WBO Welterweight Jun 9, 2018 Jeff Horn TKO 9/12
WBA (Super) Welterweight Jul 29, 2023 Errol Spence Jr. TKO 9/12
WBC Welterweight
IBF Welterweight
The Ring Welterweight
WBA Light middleweight Aug 3, 2024 Israil Madrimov UD 12/12

Note

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  • Dates in bold format signify the date when they won their 4th division title.
  • Interim titles are not included unless it gets promoted to the official title.
  • Any WBA titles won before the titles are fragmented in the division are not marked as Super, Undisputed, Unified, or Regular.
  • In August 2021, the WBA has started recognizing a single champion per division as part of their title reduction plan. World titles won after the plan will not be marked as Regular.

List of women’s quadruple champion

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The following is a list of women’s quadruple champions who have held titles from one or more of the "Big Four" organizations (WBA, WBC, IBF, WBO) and The Ring.

World Titles from The Ring
No. Name Titles Date Opponent Result
1  
Amanda Serrano[35] 		IBF Super featherweight Sep 10, 2011 Kimberly Connor TKO 2/10
WBO Lightweight Aug 15, 2014 Maria Elena Maderna KO 6/10
WBO Featherweight Feb 17, 2016 Olivia Gerula TKO 1/10
WBO Super bantamweight Oct 18, 2016 Alexandra Lázár TKO 5/10
WBO Featherweight – (2) Sep 13, 2019 Heather Hardy UD 10/10
WBC Featherweight Feb 4, 2021 Interim promoted[36]
IBF Featherweight Sep 24, 2022 Sarah Mahfoud UD 10/10
The Ring Featherweight
WBA Featherweight Feb 4, 2023 Erika Cruz UD 10/10
2 Naoko Fujioka[37] WBC Mini flyweight May 8, 2011 Anabel Ortiz RTD 8/10
WBA Super flyweight Nov 13, 2013 Naoko Yamaguchi UD 10/10
WBO Bantamweight Oct 19, 2015 Hee Jung Yuh UD 10/10
WBA Flyweight Mar 13, 2017 Isabel Millan TKO 10/10
3  
Hanna Gabriels[38] 		WBO Welterweight Dec 19, 2009 Gabriela Marcela Zapata KO 4/10
WBO Light middleweight May 9, 2010 Gardy Pena Alvarez TKO 1/10
WBO Light middleweight – (2) Dec 20, 2014 Paty Ramirez TKO 2/10
WBA Light middleweight Jun 18, 2016 Katia Alvariño TKO 3/10
WBA Light heavyweight Apr 17, 2021 Martha Gaytán TKO 2/10
WBC Heavyweight
4  
Claressa Shields[39] 		IBF Super middleweight Aug 4, 2017 Nikki Adler TKO 5/10
WBC Super middleweight
IBF Middleweight Jun 22, 2018 Hanna Gabriel UD 10/10
WBA Middleweight
WBC Middleweight Nov 17, 2018 Hannah Rankin UD 10/10
WBO Middleweight Apr 13, 2019 Christina Hammer UD 10/10
The Ring Middleweight
WBC Light middleweight Jan 10, 2020 Ivana Habazin UD 10/10
WBO Light middleweight
IBF Light middleweight Mar 5, 2021 Marie-Eve Dicaire UD 10/10
WBA (Super) Light middleweight
The Ring Light middleweight
WBO Middleweight – (2) Oct 15, 2022 Savannah Marshall UD 10/10
WBO Light heavyweight Jul 27, 2024 Vanessa Lepage-Joanisse TKO 7/10

Note

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  • Dates in bold format signify the date when they won their 4th division title.
  • Interim titles are not included unless they get promoted to the official champion.

Only four division champion in the original eight weight classes

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In the entire history of boxing, only Manny Pacquiao has successfully conquered four divisions in the original eight weight classes.

World Titles from The Ring
No. Name Titles Date Opponent Result
1  
Manny Pacquiao[40]
 WBC Flyweight Dec 4, 1998 Chatchai Sasakul KO 8/12
The Ring Featherweight Nov 15, 2003 Marco Antonio Barrera TKO 11/12
WBC Lightweight Jun 28, 2008 David Díaz TKO 9/12
WBO Welterweight Nov 14, 2009 Miguel Cotto TKO 12/12
WBO Welterweight – (2) Apr 12, 2014 Timothy Bradley UD 12/12
WBO Welterweight – (3) Nov 5, 2016 Jessie Vargas UD 12/12
WBA (Super) Welterweight Jul 20, 2019 Keith Thurman SD 12/12

Note

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  • Dates in bold format signify the date when they won their 4th division title.

Quadruple champions that won titles in other multiple divisions

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Some fighters of this group or club were not satisfied to win just the incredible milestone of championships in four different weight divisions but to reach immortality in five, six and/or seven other different divisions or categories. The multiple champions who won titles in:

See also

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References

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  1. ^ "A PURIST VIEW: THE TRUE LINEAL CHAMPION". FIGHT VIEW 360. 2018-09-06. Archived from the original on 2019-09-22. Retrieved 2019-09-23.
  2. ^ DeLisa, Mike (August 2004). "What the CBZ Means When it Refers to "Lineal Championships"". The CBZ Journal. cyberboxingzone. Archived from the original on November 6, 2013. Retrieved August 12, 2013.
  3. ^ "Thomas Hearns". Boxrec.com. Archived from the original on 2012-09-23. Retrieved 2008-03-05.
  4. ^ "Sugar Ray Leonard". Boxrec.com. Archived from the original on 2015-04-02. Retrieved 2008-03-05.
  5. ^ "Roberto Durán". Boxrec.com. Archived from the original on 2015-03-27. Retrieved 2009-12-30.
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  7. ^ "Oscar De La Hoya". Boxrec.com. Archived from the original on 2012-10-03. Retrieved 2008-03-05.
  8. ^ "WBC declares de la Hoya welterweight champion". The Independent. 21 March 2000. Archived from the original on 29 September 2021. Retrieved 29 September 2021.
  9. ^ "Leo Gomez". Boxrec.com. Archived from the original on 2012-06-12. Retrieved 2009-12-30.
  10. ^ "Roy Jones Jr". Boxrec.com. Archived from the original on 2015-06-10. Retrieved 2009-12-30.
  11. ^ "Jones vacates title to defend another". Pensacola News Journal. Pensacola, Florida. 20 February 1997. Archived from the original on 4 October 2021. Retrieved 4 October 2021 – via Newspapers.com.
  12. ^ "Floyd Mayweather Jr". Boxrec.com. Archived from the original on 2012-09-19. Retrieved 2008-03-05.
  13. ^ "Manny Pacquiao". Boxrec.com. Archived from the original on 2012-09-19. Retrieved 2008-06-29.
  14. ^ "Érik Morales". Boxrec.com. Archived from the original on 2015-06-17. Retrieved 2011-11-06.
  15. ^ "Jorge Arce". Boxrec.com. Archived from the original on 2015-04-01. Retrieved 2011-11-27.
  16. ^ "Juan Manuel Márquez". Boxrec.com. Archived from the original on 2024-05-25. Retrieved 2012-05-08.
  17. ^ "Harrison pulls out of featherweight fight vs. Cook". ESPN. Associated Press. 6 December 2006. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  18. ^ Rafael, Dan (28 June 2012). "Timothy Bradley Jr. stays at 147". ESPN. Archived from the original on 22 April 2021. Retrieved 4 June 2021.
  19. ^ "Nonito Donaire". Boxrec.com. Archived from the original on 2015-06-17. Retrieved 2012-02-14.
  20. ^ "Miguel Cotto". Boxrec.com. Archived from the original on 2015-05-12. Retrieved 2014-06-08.
  21. ^ "Official ratings as of September 2010" (PDF). WBA. 15 October 2010. Archived (PDF) from the original on 10 August 2021. Retrieved 10 August 2021.
  22. ^ "Adrien Broner". Boxrec.com. Archived from the original on 2015-05-12. Retrieved 2014-06-08.
  23. ^ Ecksel, Robert (5 November 2015). "Adrien Broner Declared WBA Super Champion". WBA. Archived from the original on 12 September 2019. Retrieved 4 June 2021.
  24. ^ "Román González". Boxrec.com. Archived from the original on 2017-07-28. Retrieved 2016-09-11.
  25. ^ Thyme, Julio (5 February 2011). "Gonzalez is king after Reveco drops WBA belt". WBA. Archived from the original on 22 January 2021. Retrieved 4 June 2021.
  26. ^ ""Chocolatito" González will be promoted to Super Champion". WBA. WBA. 30 November 2012. Archived from the original on 4 June 2021. Retrieved 4 June 2021.
  27. ^ "Mikey Garcia". Boxrec.com. Archived from the original on 2017-08-13. Retrieved 2018-07-16.
  28. ^ "Donnie Nietes". Boxrec.com. Archived from the original on 2019-04-28. Retrieved 2018-12-31.
  29. ^ "Kazuto Ioka". Boxrec.com. Archived from the original on 2019-06-24. Retrieved 2019-08-25.
  30. ^ "Leo Santa Cruz". Boxrec.com. Archived from the original on 2021-01-05. Retrieved 2020-12-31.
  31. ^ "Saul Alvarez". Boxrec.com. Archived from the original on 2021-02-21. Retrieved 2019-12-21.
  32. ^ "Naoya Inoue". Boxrec.com. Archived from the original on 2020-11-17. Retrieved 2021-01-22.
  33. ^ "Kosei Tanaka". Boxrec.com. Archived from the original on 2021-02-02. Retrieved 2021-01-22.
  34. ^ "Terence Crawford". Boxrec.com. Archived from the original on 2021-01-15. Retrieved 2021-01-22.
  35. ^ "Amanda Serrano". Boxrec.com. Archived from the original on 2021-07-20. Retrieved 2021-01-29.
  36. ^ "Amanda Serrano Upgraded To WBC Featherweight Titlist, Mrdjenovich Named 'Emeritus Champion'". Boxingscene. Retrieved 2021-05-04.
  37. ^ "Naoko Fujioka". Boxrec.com. Archived from the original on 2020-11-26. Retrieved 2021-01-29.
  38. ^ "Hanna Gabriels". Boxrec.com. Archived from the original on 2020-12-14. Retrieved 2021-08-23.
  39. ^ "Claressa Shields". Boxrec.com. Archived from the original on 2021-01-30. Retrieved 2021-01-29.
  40. ^ "Manny Pacquiao". Boxrec.com. Archived from the original on 2012-09-19. Retrieved 2008-06-29.
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