The is a list of boxing world champions in the World Boxing Organization.

Contents 1 Minimumweight 2 Junior flyweight 3 Flyweight 4 Junior bantamweight 5 Bantamweight 6 Junior featherweight 7 Featherweight 8 Junior lightweight 9 Lightweight 10 Junior welterweight 11 Welterweight 12 Junior middleweight 13 Middleweight 14 Super middleweight 15 Light heavyweight 16 Junior heavyweight 17 Heavyweight 18 See also

[edit] Minimumweight

Name:	Date:	Location:	Defenses:
Rafael Torres def. Yamil Caraballo	August 30, 1989	Santo Domingo, Dominican Republic	1
Title vacated	1990–1993	Torres' only defense was against Husni Ray on July 31, 1990 in Jakarta, Indonesia.
Paul Weir def. Fernando Martinez	May 15, 1993	Glasgow, Scotland	1
Title vacated	1993	Weir vacated the title to move up to junior flyweight. His only defense was against Lindi Memani on October 25, 1993 in Glasgow, Scotland.
Alex Sánchez def. Orlando Malone	December 22, 1993	El Condado, Puerto Rico	6
Ricardo López	August 23, 1997	New York City, New York	0
Title vacated	1997
Eric Jamili def. Mickey Cantwell	December 19, 1997	London, England	0
Kermin Guardia	May 30, 1998	Las Vegas, Nevada	3
Title vacated	2001	Guardia's last defense was against Juan Alfonso Keb Baas on April 6, 2001 in Mérida, Mexico.
Jorge Mata def. Reynaldo Frutos	June 29, 2002	Palma de Mallorca, Spain	1
Eduardo Ray Marquez	March 28, 2003	Madrid, Spain	0
Iván Calderón	May 3, 2003	Las Vegas, Nevada	10
Title vacated	2007	Calderón moved up to junior flyweight.
Donnie Nietes def. Pornsawan Kratingdaenggym	September 30, 2007	Cebu City, Philippines	2

[edit] Junior flyweight

Name:	Date:	Location:	Defenses:
Jose De Jesús def. Fernando Martinez	May 19, 1989	San Juan, Puerto Rico	3
Title vacated	March 1992	De Jesús was stripped of the title for failing to defend. His last defense was against Abdi Pohan on November 10, 1990 in Jakarta, Indonesia.
Josue Camacho def. Eddie Vallejo	July 31, 1992	San Juan, Puerto Rico	1
Michael Carbajal	July 15, 1994	Phoenix, Arizona	0
Title vacated	1994
Paul Weir def. Paul Oulden	November 23, 1994	Irvine, Scotland	1
Jacob Matlala	November 18, 1995	Glasgow, Scotland	2
Title vacated	1997
Jesús Chong def. Eric Griffin	May 31, 1997	Las Vegas, Nevada	0
Melchor Cob Castro	August 25, 1997	Inglewood, California	0
Juan Domingo Cordoba	January 17, 1998	Santiago del Estero, Argentina	1
Jorge Arce	December 5, 1998	Tijuana, Mexico	1
Michael Carbajal (2)	July 31, 1999	Tijuana, Mexico	0
Title vacated	August 1999	Title vacated when Carbajal retired.
Masibulele Makepula def. Jacob Matlala	February 19, 2000	Brakpan, South Africa	0
Title vacated	2000
Nelson Dieppa def. Andy Tabanas	April 14, 2001	New York City, New York	2
Kermin Guardia – Interim def. John Albert Molina	July 11, 2003	Puerto Colombia, Colombia	0
Nelson Dieppa def. Kermin Guardia for undisputed title	March 20, 2004	Guaynabo, Puerto Rico	2
Hugo Cázares	April 30, 2005	San Juan, Puerto Rico	4
Iván Calderón	August 25, 2007	Guaynabo, Puerto Rico	2

[edit] Flyweight

Name:	Date:	Location:	Defenses:
Elvis Alvarez def. Miguel Mercedes	March 3, 1989	Medellín, Colombia	0
Title vacated	March 1990	Alvarez vacated the title due to lack of interest in it.
Isidro Perez def. Angel Rosario	August 18, 1990	Ponce, Puerto Rico	2
Pat Clinton	March 18, 1992	Glasgow, Scotland	1
Jacob Matlala	May 15, 1993	Glasgow, Scotland	3
Alberto Jimenez	February 11, 1995	Hammanskraal, South Africa	5
Carlos Gabriel Salazar	December 13, 1996	Buenos Aires, Argentina	5
Ruben Sanchez Leon	August 14, 1998	Mexicali, Mexico	1
Jose Lopez Bueno	April 23, 1999	Zaragoza, Spain	1
Title vacated	1999
Isidro Garcia def. José López	December 18, 1999	Indio, California	1
Fernando Montiel	December 15, 2000	Ciudad Obregón, Mexico	3
Title vacated	2001–2002
Adonis Rivas def. Jair Jimenez	May 4, 2002	Managua, Nicaragua	0
Omar Andrés Narváez	July 13, 2002	Buenos Aires, Argentina	16

[edit] Junior bantamweight

Name:	Date:	Location:	Defenses:
José Ruiz def. Bebis Rojas	April 29, 1989	San Juan, Puerto Rico	4
Jose Quirino	February 22, 1992	Las Vegas, Nevada	0
Johnny Bredahl	September 4, 1992	Copenhagen, Denmark	3
Title vacated	1994	Bredahl's last defense was against Eduardo Nazario on March 25, 1994 in Aakirkeby, Denmark.
Johnny Tapia def. Henry Martinez	October 14, 1994	Albuquerque, New Mexico	13
Title vacated	1998	Tapia's last defense was against Rodolfo Blanco on February 13, 1998 in Albuquerque, New Mexico.
Victor Godoi def. Pedro Morquecho	November 7, 1998	Chubut, Argentina	0
Diego Morales	June 7, 1999	Tijuana, Mexico	1
Adonis Rivas	November 20, 1999	Las Vegas, Nevada	2
Pedro Alcazar	June 16, 2001	Panama City, Panama	1
Fernando Montiel	June 22, 2002	Las Vegas, Nevada	1
Mark Johnson	August 16, 2003	Uncasville, Connecticut	1
Ivan Hernandez	September 25, 2004	Memphis, Tennessee	0
Fernando Montiel (2)	April 9, 2005	El Paso, Texas	6
Title vacated	2009	Montiel's's last defense was against Luis Maldonado on May 31, 2008 in Mexico.
Jose Lopez def. Pramuansak Posuwan	March 28, 2009	Puerto Rico	0
Marvin Sonsona def. Jose Lopez	September 4, 2009	Orillia, Ontario, Canada	0

[edit] Bantamweight

Name:	Date:	Location:	Defenses:
Israel Contreras def. Maurizio Lupino	February 3, 1989	Caracas, Venezuela	1
Title vacated	1990	Contreras vacated the title in order to challenge Luisito Espinosa for the WBA title. His only defense was against Ray Minus on September 2, 1990 in Nassau, Bahamas.
Gaby Canizales def. Miguel Lora	March 12, 1991	Auburn Hills, Michigan	0
Duke McKenzie	March 12, 1991	London, England	2
Rafael del Valle	May 13, 1992	London, England	2
Alfred Kotey	July 30, 1994	London, England	2
Daniel Jiménez	October 21, 1995	London, England	1
Robbie Regan	April 26, 1996	Cardiff, Wales	0
Title vacated	1996	Title vacated when Regan retired.
Jorge Julio Rocha def. Oscar Maldonado	July 28, 1997	Inglewood, California	3
Johnny Tapia	January 8, 2000	Albuquerque, New Mexico	1
Title vacated	2000
Mauricio Martinez def. Lester Fuentes	September 4, 2000	Manchester, England	1
Cruz Carbajal	March 15, 2002	Veracruz, Mexico	2
Ratanachai Sor Vorapin	May 7, 2004	Bangkok, Thailand	1
Jhonny Gonzalez	October 29, 2005	Tucson, Arizona	1
Gerry Penalosa	August 11, 2007	Sacramento, California	1

[edit] Junior featherweight

Name:	Date:	Location:	Defenses:
Kenny Mitchell def. Julio Gervacio	April 29, 1989	San Juan, Puerto Rico	1
Valerio Nati	December 9, 1989	Teramo, Italy	0
Orlando Fernandez	May 12, 1990	Sassari, Italy	0
Jesse Benavides	May 24, 1991	Corpus Christi, Texas	1
Duke McKenzie	October 15, 1992	London, England	0
Daniel Jiménez	June 9, 1993	London, England	4
Marco Antonio Barrera	March 31, 1995	Anaheim, California	8
Junior Jones	November 22, 1996	Tampa, Florida	1
Kennedy McKinney	April 18, 1997	New York City, New York	0
Title vacated	1998
Marco Antonio Barrera (2) def. Richie Wenton	October 31, 1998	Atlantic City, New Jersey	2
Erik Morales	February 19, 2000	Las Vegas, Nevada	0
Title vacated	2000
Marco Antonio Barrera (3) def. Luiz Freitas	June 17, 2000	Mexico City, Mexico	2
Title vacated	April 7, 2001	Title vacated when Barrera wins the vacant IBO Featherweight title, defeating Naseem Hamed in Las Vegas, Nevada. His last defense was against Jesús Salud on December 1, 2000 also in Las Vegas.
Agapito Sanchez def. Jorge Monsalvo	June 23, 2001	Las Vegas, Nevada	1
Title vacated	2002
Joan Guzman def. Jorge Monsalvo	August 17, 2002	Cardiff, Wales	2
Title vacated	July 2005	The WBO stripped Guzman of the title due to his not making weight for a defense against Marcos Licona, scheduled for November 6. His last defense was against Fernando Beltran, Jr. on April 22, 2005 in Hidalgo, Texas.
Daniel Ponce de León def. Sod Looknongyangtoy	October 29, 2005	Tucson, Arizona	6
Juan Manuel Lopez	June 7, 2008	Atlantic City, New Jersey	4

[edit] Featherweight

Name:	Date:	Location:	Defenses:
Maurizio Stecca def. Pedro Nolasco	January 28, 1989	Milan, Italy	1
Louie Espinoza	November 11, 1989	Rimini, Italy	0
Jorge Paez	April 7, 1990	Las Vegas, Nevada	1
Title vacated	1990	Paez's only defense was against Troy Dorsey on July 8, 1990 in Las Vegas, Nevada.
Maurizio Stecca (2) def. Armando Juan Reyes	January 26, 1991	Sassari, Italy	2
Colin McMillan	February 16, 1992	London, England	0
Ruben Dario Palacios	September 26, 1992	London, England	0
Title vacated	1992	Title vacated when Palacios retired.
Steve Robinson def. John Davison	April 17, 1993	Washington, England	7
Naseem Hamed	September 30, 1995	Cardiff, Wales	15
Title vacated	September 30, 2000	Hamed's last defense was against Augie Sanchez on August 19, 2000 in Mashantucket, Connecticut.
Istvan Kovacs def. Antonio Diaz	January 27, 2001	Munich, Germany	0
Pablo Chacón	June 16, 2001	Budapest, Hungary	2
Title vacated	2002	Chacón's last defense was against Victor Polo on January 19, 2002 in London, England.
Scott Harrison def. Victor Santiago	June 8, 2002	Glasgow, Scotland	2
Manuel Medina	July 12, 2003	Glasgow, Scotland	0
Scott Harrison (2)	November 29, 2003	Glasgow, Scotland	6
Title vacated	June 2006	Harrison was stripped of the title after pulling out of a scheduled defense. His last defense was against Nedal Hussein on November 5, 2005 in Glasgow, Scotland.
Juan Manuel Márquez def. Terdsak Jandaeng	August 5, 2006	Stateline, Nevada	1
Steven Luevano	July 14, 2007	London, United Kingdom	4

[edit] Junior lightweight

Name:	Date:	Location:	Defenses:
John John Molina def. Juan Laporte	April 29, 1989	San Juan, Puerto Rico	0
Title vacated	1989
Kamel Bou Ali def. Antonio Rivera	December 9, 1989	Teramo, Italy	2
Daniel Londas	March 21, 1992	San Rufo, Italy	0
Johnny Bredahl	September 4, 1992	Copenhagen, Denmark	1
Oscar de la Hoya	March 5, 1994	Los Angeles, California	1
Title vacated	1994	de la Hoya vacated the title in order to move up to the Lightweight division.
Regilio Tuur def. Eugene Speed	September 24, 1994	Rotterdam, Netherlands	6
Title vacated	1996–1997	Tuur's last defense was against Jose Vida Ramos on September 6, 1996 in Atlantic City, New Jersey.
Barry Jones def. Wilson Palacio	December 19, 1997	London, England	0
Title vacated	1998
Anatoly Alexandrov def. Julien Lorcy	May 16, 1998	Paris, France	1
Acelino Freitas	August 7, 1999	Le Cannet, France	10
Title vacated	2003	Freitas vacated the title to move up to the lightweight division. His last defense was against Jorge Rodrigo Barrios on August 9, 2003 in Miami, Florida.
Diego Corrales def. Joel Casamayor	March 6, 2004	Mashantucket, Connecticut	0
Title vacated	2004	Corrales vacated the title to move up to the lightweight division.
Mike Anchondo def. Pablo Chacón	July 15, 2004	Dallas, Texas	0
Jorge Rodrigo Barrios	April 8, 2005	Miami, Florida	2
Title vacated	September 15, 2006	Barrios was stripped of the title after he was overweight for his scheduled September 16 defense against Joan Guzmán. His last defense was against Janos Nagy on May 20, 2006 in Los Angeles, California.
Joan Guzmán def. Jorge Rodrigo Barrios	September 16, 2006	Las Vegas, Nevada	2
Title vacated	May 2008	Guzman vacated the title after deciding to move up to Lightweight.
Alex Arthur interm champ promoted	May 2008	NA	0
Nicky Cook def. Alex Arthur	September 9, 2008	Manchester, England	0
Roman Martinez	March 14, 2009	Manchester, England	0

[edit] Lightweight

Name:	Date:	Location:	Defenses:
Mauricio Aceves def. Amancio Castro	May 6, 1989	Santa Ana, California	1
Dingaan Thobela	September 22, 1990	Brownsville, Texas	2
Title vacated	1991	Thobela's last defense was against Antonio Rivera on September 14, 1991 in Johannesburg, South Africa.
Giovanni Parisi def. Javier Altamirano	September 25, 1992	Voghera, Italy	2
Title vacated	1993	Parisi's last defense was against Antonio Rivera on September 24, 1993 in Rome, Italy.
Oscar de la Hoya def. Jorge Paez	July 29, 1994	Las Vegas, Nevada	6
Title vacated	1996	de la Hoya's last defense was against Jesse James Leija on December 15, 1995 in New York City, New York.
Artur Grigorian def. Antonio Rivera	April 13, 1996	Hamburg, Germany	17
Acelino Freitas	January 3, 2004	Mashantucket, Connecticut	0
Diego Corrales	August 7, 2004	Mashantucket, Connecticut	1
Title vacated	2006	Corrales' only defense was against José Luis Castillo on May 7, 2005 in Las Vegas, Nevada.
Acelino Freitas (2) def. Zahir Raheem	April 29, 2006	Mashantucket, Connecticut	0
Juan Díaz	April 28, 2007	Mashantucket, Connecticut	1
Nate Campbell	March 8, 2008	Cancún, Mexico	0
Title vacated	February 14, 2009	Campbell was stripped of the title for being unable to make weight for his next fight against Ali Funeka on February 14, 2009 in Sunrise, Florida.
Juan Manuel Marquez def. Juan Diaz	February 28, 2009	Houston, Texas	0

[edit] Junior welterweight

Name:	Date:	Location:	Defenses:
Héctor Camacho def. Ray Mancini	March 6, 1989	Reno, Nevada	2
Greg Haugen	February 23, 1991	Las Vegas, Nevada	0
Héctor Camacho (2)	May 19, 1991	Reno, Nevada	0
Title vacated	1992
Carlos González def. Jimmy Paul	June 29, 1992	Inglewood, California	3
Zack Padilla	June 7, 1993	Las Vegas, Nevada	4
Title vacated	July 24, 1994	Title vacated when Padilla retired after his final defense against Juan Laporte in Los Angeles, California.
Sammy Fuentes def. Fidel Avendano	February 20, 1995	Inglewood, California	1
Giovanni Parisi	March 9, 1996	Milan, Italy	5
Carlos González (2)	May 29, 1998	Pesaro, Italy	0
Randall Bailey	May 15, 1999	Miami, Florida	2
Ener Julio	July 22, 2000	Miami, Florida	0
Title vacated	June 2001	Title vacated when a routine eye exam reveals that Julio has cataracts.
DeMarcus Corley def. Felix Flores	June 30, 2001	Las Vegas, Nevada	2
Zab Judah	July 12, 2003	Las Vegas, Nevada	1
Title vacated	2004	Judah vacated the title to move up to the Welterweight division.
Miguel Cotto def. Kelson Pinto	September 11, 2004	San Juan, Puerto Rico	6
Title vacated	2006	Cotto vacated the title to move up to Welterweight and challenge for the WBA title His last defense was against Paul Malignaggi on June 10, 2006 in New York City, New York.
Ricardo Torres def. Mike Arnaoutis	November 18, 2006	Las Vegas, Nevada	3
Kendall Holt def. Ricardo Torres	July 5, 2008	Las Vegas, Nevada	1
Timothy Bradley this bout was a title unification match for both WBO and WBC titles	April 4, 2009	Montreal, Quebec, Canada	1

[edit] Welterweight

Name:	Date:	Location:	Defenses:
Genaro Leon def. Danny Garcia	May 6, 1989	Santa Ana, California	0
Title vacated	1989
Manning Galloway def. Al Hamza	December 15, 1989	Yabucoa, Puerto Rico	7
Gert Bo Jacobsen	February 12, 1993	Randers, Denmark	0
Title vacated	1993
Eammon Loughran def. Lorenzo Smith	October 16, 1993	Belfast, Northern Ireland	5
José Luis López	April 13, 1996	Liverpool, England	1
Title vacated	1996–1997	López's only defense was against Luis Ramón Campas on October 6, 1996 in Los Angeles, California.
Mihai Leu def. Santiago Samaniego	February 22, 1997	Hamburg, Germany	1
Title vacated	1997	Title vacated when Leu retired. His only defense was against Michael Carruth on September 20, 1997 in Aachen, Germany.
Ahmed Kotiev def. Leonard Townsend	February 22, 1997	Stuttgart, Germany	4
Daniel Santos	May 6, 2000	Neuss, Germany	2
Title vacated	July 21, 2001	Title vacated when a bout between Santos and Antonio Margarito in Bayamón, Puerto Rico ends in a no-contest in the first round.
Antonio Margarito def. Antonio Díaz	March 16, 2002	Las Vegas, Nevada	3
Kermit Cintrón – Interim def. Teddy Reid	July 17, 2004	Houston, Texas	3
Antonio Margarito def. Kermit Cintrón for undisputed title	April 23, 2005	Las Vegas, Nevada	4
Paul Williams	July 14, 2007	Carson City, California	0
Carlos Quintana	February 9, 2008	Temecula, California	0
Paul Williams (2)	June 7, 2008	Uncasville, Connecticut	0
Title vacated	November 2008	Williams vacated the title to fight for the Jr. Middleweight Title.
Miguel Cotto	February 21, 2009	Madison Square Garden, New York	1
Manny Pacquiao	November 14, 2009	Las Vegas, Nevada	0

[edit] Junior middleweight

Name:	Date:	Location:	Defenses:
John David Jackson def. Lupe Aquino	December 8, 1988	Detroit, Michigan	6
Title vacated	1993	Jackson vacated the title to move up to Middleweight. His last defense was against Michele Mastrodonato on December 19, 1992 in San Severo, Italy.
Verno Phillips def. Lupe Aquino	October 30, 1993	Phoenix, Arizona	4
Paul Jones	November 22, 1995	Sheffield, England	0
Title vacated	February 1996	Jones was stripped of the title.
Ronald "Winky" Wright	May 17, 1996	Monroe, Michigan	3
Harry Simon	August 22, 1998	Temba, South Africa	4
Title vacated	July 2001	Simon vacated the title to move up to Middleweight. His last defense was against Wayne Alexander on February 10, 2001 in Widnes, England.
Daniel Santos def. Luis "Yori Boy" Campas	March 16, 2002	Las Vegas, Nevada	4
Sergiy Dzindziruk	December 3, 2005	Magdeburg, Germany	4

[edit] Middleweight

Name:	Date:	Location:	Defenses:
Doug DeWitt def. Robbie Sims	April 18, 1989	Atlantic City, New Jersey	1
Nigel Benn	April 29, 1990	Atlantic City, New Jersey	1
Chris Eubank	November 18, 1990	Birmingham, England	3
Title vacated	1991	Eubank vacated the title to move up to Super Middleweight. His last defense was against Michael Watson on June 22, 1991 in London, England.
Gerald McClellan def. John Mugabi	November 20, 1991	London, England	0
Title vacated	1991	McClellan vacated the title to move up to Super Middleweight.
Chris Pyatt def. Sumbu Kalambay	May 19, 1993	Leicester, England	2
Steve Collins	May 11, 1994	Sheffield, England	0
Title vacated	1994–1995	Collins vacated the title to move up to Super Middleweight.
Lonnie Bradley def. David Mendez	May 19, 1995	Primm, Nevada	6
Title vacated	1997
Otis Grant def. Ryan Rhodes	December 13, 1997	Sheffield, England	1
Title vacated	1998	Grant vacated the title to move up to Light Heavyweight. His only defense was against Ernesto Rafael Sena on May 12, 1998 in Kanata, Ontario, Canada.
Bert Schenk def. Freeman Barr	January 30, 1999	Cottbus, Germany	1
Title vacated	1999	Schenk's only defense was against Juan Ramon Medina on May 22, 1999 in Budapest, Hungary.
Jason Matthews def. Ryan Rhodes	July 17, 1999	Doncaster, England	0
Armand Krajnc	November 27, 1999	Lübeck, Germany	2
Harry Simon – Interim def. Hacine Cherifi	July 21, 2001	Bayamón, Puerto Rico	0
Krajnc vacated the title on June 4, 2001, while in a dispute with Universum Box-Promotion, however the WBO gave Krajnc back the title.
Armand Krajnc	November 3, 2001	Lübeck, Germany	0
Harry Simon	April 6, 2002	Copenhagen, Denmark	0
Title vacated	2002	Title vacated when Simon retired.
Hector Javier Velazco def. Andras Galfi	May 10, 2003	Buenos Aires, Argentina	0
Felix Sturm	September 13, 2003	Berlin, Germany	1
Oscar de la Hoya	June 5, 2004	Las Vegas, Nevada	0
Bernard Hopkins	September 18, 2004	Las Vegas, Nevada	1
Jermain Taylor	July 16, 2005	Las Vegas, Nevada	3
Kelly Pavlik	September 29, 2007	Atlantic City, New Jersey	1

[edit] Super middleweight

Name:	Date:	Location:	Defenses:
Thomas Hearns def. James Kinchen	November 4, 1988	Las Vegas, Nevada	2
Title vacated	1990	Hearns' last defense was against Michael Olajide on April 28, 1990 in Atlantic City, New Jersey.
Chris Eubank def. Michael Watson	September 21, 1991	London, England	14
Steve Collins	March 18, 1995	Millstreet, Ireland	7
Title vacated	October 1997	Collins was stripped of the title when he was unable to defend due to injury. His last defense was against Craig Cummings on July 5, 1997 in Glasgow, Scotland.
Joe Calzaghe def. Chris Eubank	October 11, 1997	Sheffield, England	21
Title vacated	June 2008	Calazghe vacated all of his titles when he announced he would retire.
Denis Inkin def. Fulgencio Zuniga	September 27, 2008	Hamburg, Germany	0
Károly Balzsay	January 10, 2009	Magdeburg, Germany	1
Robert Stieglitz	August 22, 2009	Budapest, Hungary	0

[edit] Light heavyweight

Name:	Date:	Location:	Defenses:
Michael Moorer def. Ramzi Hassan	December 3, 1988	Brook Park, Ohio	9
Title vacated	1991	Moorer vacated the title in order to move up to Heavyweight.
Leeonzer Barber def. Tom Collins	May 9, 1991	Leeds, England	4
Dariusz Michalczewski	September 10, 1994	Hamburg, Germany	23
Julio César González	October 10, 2003	Hamburg, Germany	0
Zsolt Erdei	January 17, 2004	Karlsruhe, Germany	11
Jürgen Brähmer	November 13, 2009	Zsolt Erdei moved up to Cruiserweight.	0

[edit] Junior heavyweight

This weight class is designated as Cruiserweight in the IBF, WBA and WBC.

Name:	Date:	Location:	Defenses:
Boone Pultz def. Magne Havnaa	December 3, 1989	Copenhagen, Denmark	0
Magne Havnaa	May 17, 1990	Aars, Denmark	2
Title vacated	1991	Havnaa's last defense was against Tyrone Booze on February 15, 1991 in Randers, Denmark.
Tyrone Booze def. Derek Angol	July 25, 1992	Manchester, England	1
Markus Bott	February 13, 1993	Hamburg, Germany	0
Nestor Giovannini	June 26, 1993	Hamburg, Germany	1
Dariusz Michalczewski	December 17, 1994	Hamburg, Germany	0
Title vacated	1995	Michalczewski vacated the title in favor of the WBO Light Heavyweight title, which he already held.
Ralf Rocchigiani def. Carl Thompson	June 10, 1995	Manchester, England	6
Carl Thompson	October 4, 1997	Hanover, Germany	2
Johnny Nelson	March 27, 1999	Derby, England	13
Title vacated	2006	Title vacated when Nelson retired.
Enzo Maccarinelli Interim champ promoted	July 8, 2006	Cardiff, Wales	4
David Haye	March 8, 2008	London, England	0
Enzo Maccarinelli	December 6, 2008	London, England

[edit] Heavyweight

Name:	Date:	Location:	Defenses:
Francesco Damiani def. Johnny DuPlooy	May 6, 1989	Syracuse, Italy	1
Ray Mercer	January 11, 1991	Atlantic City, New Jersey	1
Title vacated	1991	Mercer's only defense was against Tommy Morrison on October 18, 1991 in Atlantic City, New Jersey. He gave up the title shortly after.
Michael Moorer def. Bert Cooper	May 15, 1992	Atlantic City, New Jersey	0
Title vacated	February 2, 1993
Tommy Morrison def. George Foreman	June 7, 1993	Las Vegas, Nevada	1
Michael Bentt	October 29, 1993	Tulsa, Oklahoma	0
Herbie Hide	March 19, 1994	London, England	0
Riddick Bowe	March 11, 1995	Las Vegas, Nevada	1
Title vacated	1995	Bowe's only defense was against Jorge Luis Gonzalez on June 17, 1995 in Las Vegas, Nevada.
Henry Akinwande def. Jeremy Williams	June 29, 1996	Indio, California	2
Title vacated	February 17, 1997	Akinwande vacated the title in order to challenge for the WBC title. His last defense was against Scott Welch on January 11, 1997 in Nashville, Tennessee.
Herbie Hide (2) def. Tony Tucker	June 28, 1997	Norwich, England	2
Vitali Klitschko	June 26, 1999	London, England	2
Chris Byrd	April 1, 2000	Berlin, Germany	0
Wladimir Klitschko	October 14, 2000	Cologne, Germany	5
Corrie Sanders	March 8, 2003	Hanover, Germany	0
Title vacated	2003
Lamon Brewster def. Wladimir Klitschko	April 10, 2004	Las Vegas, Nevada	3
Serguei Lyakhovich	April 1, 2006	Cleveland, Ohio	0
Shannon Briggs	November 4, 2006	Phoenix, Arizona	0
Sultan Ibragimov	June 2, 2007	Atlantic City, New Jersey	1
Wladimir Klitschko (2)	February 23, 2008	New York, New York	3

[edit] See also

• World Boxing Organization
• List of WBA world champions
• List of WBC world champions
• List of IBF world champions
• List of IBO world champions

v • d • e World boxing champions Champions by weight class Heavyweight · Cruiserweight · Light heavyweight · Super middleweight · Middleweight · Super welterweight · Welterweight · Super lightweight · Lightweight · Super featherweight · Featherweight · Super bantamweight · Bantamweight · Super flyweight · Flyweight · Light flyweight · Strawweight Champions by organization WBA · WBC · IBF · WBO · IBO · The Ring · Undisputed Champions by different weight class Triple Champions (List) · Quadruple Champions (List) · Quintuple Champions (List) · Sextuple Champions (List) · Septuple champions Terms Interim championship · Undisputed championship