HEAVYWEIGHT

Updated: 04 Aug, 2026

JUNIOR HEAVYWEIGHT

Updated: 04 Aug, 2026

LIGHT HEAVYWEIGHT

Updated: 04 Aug, 2026

WBO Dmitry Bivol Dmitry Bivol Russian Federation flag 25-1-0 Defences 0 Time Held 1 Year 6 Months
WBO World Light heavyweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence Not Defended Yet
Time inactive 1 year & 6 months
Won against
Russian Federation flag Beterbiev (21-0-0) MD 12R
22-Feb-2025
Time held 1 year & 6 months
Total defences 0
Activity average N/A
Mandatory challenger TBC
Last mandatory None Called Yet
Since a mandatory 1 year & 6 months
WBO Interim Callum Smith Callum Smith United Kingdom flag 31-2-0 Defences 0 Time Held 1 Year 6 Months
WBO Interim World Light Heavyweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence Not Defended Yet
Time inactive 1 year & 6 months
Won against
United Kingdom flag Buatsi (19-0-0) UD 12R
22-Feb-2025
Time held 1 year & 6 months
Total defences 0
Activity average N/A
Mandatory challenger TBC
Last mandatory None Called Yet
Since a mandatory 1 year & 6 months

SUPER MIDDLEWEIGHT

Updated: 04 Aug, 2026

WBO Hamzah Sheeraz Hamzah Sheeraz United Kingdom flag 24-0-1 Defences 1 Time Held 3 Months
WBO World Super Middleweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Germany flag Zachenhuber (29-1-0) MD 12R
25-Jul-2026
Time inactive 1 month & 5 days
Won against
Germany flag Begic (29-0-1) KO 2R
23-May-2026
Time held 3 months & 7 days
Total defences 1
Jul 25 2026 MD 12R Germany flag Zachenhuber (29-1-0)
Activity average Every 3 months & 7 days
Mandatory challenger Mexico flag Canelo Alvarez (63-3-2)
Last mandatory Not Fulfilled Yet
Since a mandatory 3 months & 7 days

MIDDLEWEIGHT

Updated: 04 Aug, 2026

JUNIOR MIDDLEWEIGHT

Updated: 04 Aug, 2026

WELTERWEIGHT

Updated: 04 Aug, 2026

JUNIOR WELTERWEIGHT

Updated: 04 Aug, 2026

LIGHTWEIGHT

Updated: 04 Aug, 2026

JUNIOR LIGHTWEIGHT

Updated: 04 Aug, 2026

WBO Emanuel Navarrete Emanuel Navarrete Mexico flag 40-2-1 Defences 5 Time Held 3 Years 6 Months
WBO World Junior Lightweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Mexico flag Nunez (29-1-0) TKO 11R
28-Feb-2026
Time inactive 6 months & 2 days
Won against
Australia flag Wilson (11-1-0) TKO 9R
03-Feb-2023
Time held 3 years & 6 months
Total defences 5
Feb 28 2026 TKO 11R Mexico flag Nunez (29-1-0)
May 10 2025 NC 8R Philippines flag Suarez (18-0-0)
Dec 07 2024 KO 6R Mexico flag Valdez (32-2-0)
Nov 16 2023 MD 12R Brazil flag Conceicao (17-2-0)
Aug 12 2023 UD 12R Mexico flag Valdez (31-1-0)
Activity average Every 8 months & 18 days
Mandatory challenger Philippines flag Charly Suarez (19-0-0)
Last mandatory Not Fulfilled Yet
Since a mandatory 3 years & 6 months

FEATHERWEIGHT

Updated: 04 Aug, 2026

WBO Rafael Espinoza Rafael Espinoza Mexico flag 28-0-0 Defences 4 Time Held 2 Years 8 Months
WBO World Featherweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Ukraine flag Khegai (23-2-1) TKO 11R
15-Nov-2025
Time inactive 9 months & 15 days
Won against
Cuba flag Ramirez (13-1-0) MD 12R
09-Dec-2023
Time held 2 years & 8 months
Total defences 4
Nov 15 2025 TKO 11R Ukraine flag Khegai (23-2-1)
May 04 2025 TKO 7R United States flag Vazquez (17-2-0)
Dec 07 2024 TKO 6R Cuba flag Ramirez (14-2-0)
Jun 21 2024 TKO 4R Mexico flag Sanchez (22-1-0)
Activity average Every 8 months & 6 days
Mandatory challenger TBC
Last mandatory Cuba flag Ramirez (14-2-0) TKO 6 07-Dec-2024
Since a mandatory 1 year & 8 months

JUNIOR FEATHERWEIGHT

Updated: 04 Aug, 2026

WBO Naoya Inoue Naoya Inoue Japan flag 33-0-0 Defences 8 Time Held 3 Years 1 Month
WBO World Junior Featherweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Japan flag Nakatani (32-0-0) UD 12R
02-May-2026
Time inactive 3 months & 28 days
Won against
United States flag Fulton (21-0-0) TKO 8R
25-Jul-2023
Time held 3 years & 1 month
Total defences 8
May 02 2026 UD 12R Japan flag Nakatani (32-0-0)
Dec 27 2025 UD 12R Mexico flag Picasso (32-0-1)
Sep 14 2025 UD 12R Uzbekistan flag Akhmadaliev (14-1-0)
May 04 2025 TKO 8R United States flag Cardenas (26-1-0)
Jan 24 2025 KO 4R South Korea flag Kim (21-2-2)
Sep 03 2024 TKO 7R Ireland flag Doheny (26-4-0)
May 06 2024 KO 6R Mexico flag Nery (35-1-0)
Dec 26 2023 KO 10R Philippines flag Tapales (37-3-0)
Activity average Every 4 months & 20 days
Mandatory challenger TBC
Last mandatory None Called Yet
Since a mandatory 3 years & 1 month

BANTAMWEIGHT

Updated: 04 Aug, 2026

JUNIOR BANTAMWEIGHT

Updated: 04 Aug, 2026

FLYWEIGHT

Updated: 04 Aug, 2026

WBO Anthony Olascuaga Anthony Olascuaga United States flag 12-1-0 Defences 5 Time Held 2 Years 1 Month
WBO World Flyweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Japan flag Iimura (9-1-0) TKO 9R
15-Mar-2026
Time inactive 5 months & 15 days
Won against
Japan flag Kano (22-4-2) KO 3R
20-Jul-2024
Time held 2 years & 1 month
Total defences 5
Mar 15 2026 TKO 9R Japan flag Iimura (9-1-0)
Dec 17 2025 TKO 4R Japan flag Kuwahara (14-2-0)
Sep 11 2025 TKO 2R Puerto Rico flag Camacho (19-1-0)
Mar 13 2025 UD 12R Japan flag Kyoguchi (19-2-0)
Oct 14 2024 TKO 1R Puerto Rico flag Gonzalez (28-3-1)
Activity average Every 5 months & 1 day
Mandatory challenger TBC
Last mandatory Puerto Rico flag Camacho (19-1-0) TKO 2 11-Sep-2025
Since a mandatory 11 months & 19 days

JR FLYWEIGHT

Updated: 04 Aug, 2026

WBO Rene Santiago Rene Santiago Puerto Rico flag 16-4-0 Defences 2 Time Held 1 Year 5 Months
WBO World Junior Flyweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
Japan flag Taniguchi (21-5-0) UD 12R
03-Apr-2026
Time inactive 4 months & 27 days
Won against
Japan flag Iwata (14-1-0) UD 12R
13-Mar-2025
Time held 1 year & 5 months
Total defences 2
Apr 03 2026 UD 12R Japan flag Taniguchi (21-5-0)
Dec 17 2025 SD 12R Japan flag Takami (10-0-0)
Activity average Every 8 months & 25 days
Mandatory challenger TBC
Last mandatory None Called Yet
Since a mandatory 1 year & 5 months

MINI FLYWEIGHT

Updated: 04 Aug, 2026

WBO Oscar Collazo Oscar Collazo United States flag 15-0-0 Defences 7 Time Held 3 Years 3 Months
WBO World Minimumweight
Box.Live Champ Stats
Next Scheduled Defence TBA
Last defence
United States flag Haro (13-3-0) RTD 6R
14-Mar-2026
Time inactive 5 months & 16 days
Won against
Philippines flag Jerusalem (20-2-0) TKO 7R
27-May-2023
Time held 3 years & 3 months
Total defences 7
Mar 14 2026 RTD 6R United States flag Haro (13-3-0)
Sep 20 2025 TKO 7R Philippines flag Vayson (14-1-1)
Mar 29 2025 KO 5R Mexico flag Cano (13-2-1)
Nov 16 2024 KO 7R Thailand flag Niyomtrong (25-0-0)
Jun 07 2024 UD 12R Nicaragua flag Zapata (14-1-1)
Jan 27 2024 KO 3R Nicaragua flag Gutierrez (10-1-0)
Aug 26 2023 TKO 6R Philippines flag Diagan (10-3-0)
Activity average Every 5 months & 17 days
Mandatory challenger TBC
Last mandatory None Called Yet
Since a mandatory 3 years & 3 months
WBO Interim Placeholder fighter photo Vacant Defences Time Held
WBO Interim World Minimumweight
Box.Live Champ Stats
Vacant Title Fight Matsumoto Japan flag (8-0-0) vs Silveira Mexico flag (17-0-0)
27-Sep-2026

World Boxing Organisation (WBO) Profile

The World Boxing Organisation, abbreviated to ‘WBO’ is one of the four major organizations that sanction world championship boxing fights. This organization came about in 1988, when a group of Puerto Rican and Dominican business people who were originally part of the WBA, decided to break away and form their own group. This detachment was due to having disputes inside the WBA over what rules should apply inside the organization.

A former WBA vice president, Ramon Pina Acevedo was chosen as the first president of the organization, with its first headquarters located in San Juan, Puerto Rico. Right after its formation, the organization started setting up world title bouts around the world. Relative to the other major sanctioning bodies, the WBO quickly rose to power as the ‘fourth’ governing body in boxing.

After Acevedo, next in line for the presidency came Puerto Rican Jose Torres, a former world light heavyweight champion. This move was widely seen as a way for the organization to gain its much-needed credibility. After Torres left the post in 1996, fellow Puerto Rican Francisco Varcarcel took over at the helm of the organization and has been president ever since. Under Varcarcel, the organization signed unification bout deals with all the other three major sanctioning bodies: the WBA, IBF and the WBC. The WBC was the last organization to cooperate with the WBO, because of a long-lasting feud between WBC president Sulaiman and Varcarcel.

The first championship bout sanctioned by the WBO was between Thomas Hearns and James Kinchen for the vacant super middleweight title on 4th November 1988. Hearns won the fight by majority decision, thus becoming the first WBO champion in boxing history. The first heavyweight title bout sanctioned by the WBO was between two relative unknowns, Italian Francesco Damiani who was a former Olympic silver medalist and South African boxer Johnny DuPlooy. Damiani won the first WBO heavyweight title by way of knockout. Having two low profile boxers fight for their first heavyweight title didn’t help the organization in gaining credibility as a significant sanctioning body.

This image was especially true at heavyweight since all the other sanctioning bodies at that time recognized Mike Tyson as the undisputed world heavyweight champion. Future WBO champions like Michael Moorer, Henry Akinwande, and Riddick Bowe even vacated their WBO titles to chase other titles. Moreover, famed boxing publication The Ring did not recognize the WBO belts. In the lighter weight divisions, however, entertaining and world famous champions such as Chris Eubank and Naseem Hamed gave the WBO international recognition. Unlike in the US, in the 1990's the WBO title was more accepted in Europe.

As years passed by, WBO champions always fared well in unification bouts with WBC, WBA and IBF champions. WBO featherweight champion Naseem Hamed defeated the WBC, WBA and IBF champions in his weight class. Another WBO champion, heavyweight Dariusz Michalczewski defeated Virgil Hill to unify his belt with the WBA and IBF belts. By the beginning of the 21st century, the WBO was starting to get officially recognized by the other three major sanctioning bodies in boxing.

In 2000, the WBA started identifying WBO champions on the same level as it did WBC and IBF champions. In 2004, the WBC began mentioning WBO champions on its ranking lists. The IBF was the last major organization to recognize the WBO, doing so for the first time in February 2007. The WBO on the other hand always fully recognized the other three sanctioning bodies and named their champions on its ranking lists.

Japanese boxers were not permitted to fight for WBO belts for a long time. However, the Japan Boxing Commission decided to join the WBO along with the IBF on 1 April 2013, thus finally giving Japanese boxers the option to fight for the WBO and IBF world titles.

To gain better control of professional boxing throughout the world, the WBO has established championships for the following geographical regions:

  • WBO Intercontinental and the WBO Europe for Europe, NABO for North America (Canada, United States, Mexico and Puerto Rico), WBO Latino for the Latin American region (South America, Central America, and the Caribbean), WBO Asia Pacific for the countries of Asia and Oceania, WBO Africa for Africa. A championship is rumored to be in the works for the Chinese region.
  • The WBO awards its champions in all 17 weight classes their recognizable burgundy belt. Since the early 2000s, the WBO has granted the honorary title of ‘Super Champion’ to boxers who meet a distinct set of criteria.

For example:

  • Having multiple bout contracts with a major TV network
  • Having ten successful title defenses or even less, if versus distinguished opponents
  • Having a quality record against quality opponents throughout his professional and amateur career

Unlike the WBA’s super titles, the WBO's are more in line with lifetime achievement awards and are not titles that can be put on the line in a title bout. A WBO Super Champion retains his status even when moving to a different weight class.

These are some of the boxers who have been awarded the WBO Super Champion belt throughout the years: Joe Calzaghe, Oscar De La Hoya, Bernard Hopkins, Jermain Taylor, Kelly Pavlik, Wladimir Klitschko, Juan Manuel Márquez, Juan Díaz, Manny Pacquiao, Timothy Bradley Jr., Fernando Montiel, Jorge Arce, Omar Narváez, Donnie Nietes, Iván Calderón, Marco Huck, Sergey Kovalev, and Vasyl Lomachenko.

Some notable boxers throughout history that have been recognized as WBO world champions:

Heavyweight
  • Ray Mercer, Vitali Klitschko, Wladimir Klitschko
Cruiserweight
  • David Haye, Marco Huck
Light Heavyweight
  • Andre Ward, Sergey Kovalev
Super Middleweight
  • Thomas Hearns, Chris Eubank (also at Middleweight), Joe Calzaghe
Middleweight
  • Bernard Hopkins, Nigel Benn, Canelo Alvarez, Oscar De La Hoya (also at Lightweight & Super Featherweight)
Super Welterweight
  • Miguel Cotto (also at Welterweight & Super Lightweight), Canelo Alvarez
Welterweight
  • Manny Pacquiao, Floyd Mayweather Jr
Super Lightweight
  • Hector Camacho
Lightweight
  • Artur Grigorian
Super Featherweight
  • Vasyl Lomachenko (also at Featherweight)
Featherweight
  • Naseem Hamed
Super Bantamweight
  • Marco Antonio Barrera

How The WBO Rank Fighters & Rules

For a boxer to be eligible to appear in the WBO ratings, he or she should:

  • have a positive professional record with special emphasis on boxer's recent activities
  • for a boxer to receive a top rating, the boxer shall have competed in at least 2 bouts scheduled for 10 rounds or 4 bouts scheduled for 8 rounds
  • have a positive amateur record with special emphasis on medals obtained in international and Olympic tournaments
  • have a regional title in any one of their organisations, such as NABO, WBO International, WBO Latino, WBO Asia Pacific

Other factors that contribute to a boxer’s rating are:

  • quality of competition
  • frequency of competition
  • positive tv exposure
  • good relationship within the community
  • no drug-related problems

Current WBO Rankings

WBO HEAVYWEIGHT
Belt icon

United Kingdom flag Daniel Dubois (23-3-0)

WBO World Heavyweight Champion

  1. (14-1-0) -
  2. (25-0-0) -
  3. (21-1-0) -
  4. (30-4-0) -
  5. (20-1-1) -
  6. (36-4-0) -
  7. (17-0-0) -
  8. (45-4-1) -
  9. (26-1-0) -
  10. Ukraine flag Viktor Vykhryst
    (18-1-0) -
  11. Albania flag Nelson Hysa
    (25-0-0) -
  12. United States flag Gustavo Trujillo
    (12-0-0) -
  13. (20-1-0) -
  14. United States flag Brandon Moore
    (19-1-0) -
  15. (27-4-0) -
WBO JUNIOR HEAVYWEIGHT
Belt icon

United States flag David Benavidez (32-0-0)

WBO World Cruiserweight Champion

  1. Germany flag Roman Fress
    (23-1-1) -
  2. (20-0-0) -
  3. (48-2-0) -
  4. (22-2-0) -
  5. New Zealand flag David Nyika
    (13-1-0) -
  6. (32-2-0) -
  7. (32-3-1) -
  8. France flag Leonardo Mosquea
    (19-0-0) -
  9. Cuba flag Lenar Perez
    (16-0-0) -
  10. Germany flag Armend Xhoxhaj
    (23-4-1) -
  11. (14-0-0) -
  12. Brazil flag Lucas Pontes Da Silva
    (11-1-0) -
  13. (28-3-0) -
  14. Argentina flag Kevin Cristopher Ramirez
    (12-0-2) -
  15. Germany flag Tahir Kahrovic
    (23-0-0) -
WBO LIGHT HEAVYWEIGHT
Belt icon

Russian Federation flag Dmitry Bivol (25-1-0)

WBO World Light heavyweight Champion

Belt icon

United Kingdom flag Callum Smith (31-2-0)

WBO Interim World Light Heavyweight Champion

  1. (21-1-0) -
  2. (20-1-0) -
  3. (20-2-0) -
  4. (30-3-0) -
  5. Australia flag Conor Wallace
    (17-1-0) -
  6. (17-3-1) -
  7. Germany flag Ardian Krasniqi
    (13-0-0) -
  8. (12-0-1) -
  9. Germany flag Adam Deines
    (26-4-1) -
  10. Germany flag Artur Reis
    (16-1-0) -
  11. (26-2-0) -
  12. Mexico flag Yair Benjamin Gallardo Lozano
    (12-0-0) -
  13. France flag Benjamin Mendes Tani
    (10-1-0) -
  14. Puerto Rico flag Najee Lopez
    (16-0-0) -
  15. Colombia flag Juan Carrillo
    (15-0-0) -
WBO SUPER MIDDLEWEIGHT
Belt icon

United Kingdom flag Hamzah Sheeraz (24-0-1)

WBO World Super Middleweight Champion

  1. (63-3-2) -
  2. (17-0-0) -
  3. (26-0-0) -
  4. (20-0-0) -
  5. (30-1-0) -
  6. (16-3-0) -
  7. (17-1-0) -
  8. (24-2-0) -
  9. Montenegro flag Milorad Zizic
    (17-2-0) -
  10. Brazil flag Hebert Conceicao
    (11-0-0) -
  11. Austria flag Bernardin Jakaj
    (20-1-0) -
  12. Germany flag Simon Zachenhuber
    (29-2-0) -
  13. (22-5-1) -
  14. Australia flag Jack Bowen
    (14-1-0) -
  15. Canada flag Wilkens Mathieu
    (16-0-0) -
WBO MIDDLEWEIGHT
Belt icon

United Kingdom flag Denzel Bentley (22-3-1)

WBO World Middleweight Champion

  1. (11-0-0) -
  2. (28-3-0) -
  3. (23-1-0) -
  4. (28-1-0) -
  5. (35-5-0) -
  6. (23-5-0) -
  7. United States flag Jahi Tucker
    (17-1-1) -
  8. (20-2-0) -
  9. (21-3-1) -
  10. Dominican Republic flag Euri Cedeno
    (14-1-1) -
  11. Argentina flag Ismael Flores
    (18-1-1) -
  12. Italy flag Giovanni Sarchioto
    (14-1-0) -
  13. (17-0-0) -
  14. (15-0-0) -
  15. Italy flag Dario Socci
    (19-8-2) -
WBO JUNIOR MIDDLEWEIGHT
Belt icon

United States flag Jaron ‘Boots’ Ennis (36-0-0)

WBO World Junior Middleweight Champion

  1. (23-1-0) -
  2. (11-2-1) -
  3. (23-1-0) -
  4. (35-1-0) -
  5. (12-0-1) -
  6. (17-2-0) -
  7. (26-4-0) -
  8. (28-1-0) -
  9. Germany flag Julian Vogel
    (19-0-2) -
  10. France flag Milan Prat
    (30-1-0) -
  11. Germany flag Freddy Kiwitt
    (30-3-0) -
  12. Japan flag Ryota Toyoshima
    (24-3-1) -
  13. Armenia flag Yuri Sakunts
    (22-0-0) -
  14. United States flag Ermal Hadribeaj
    (23-0-1) -
  15. United States flag Mykal Fox
    (26-5-0) -
WBO WELTERWEIGHT
Belt icon

United States flag Devin Haney (33-0-0)

WBO World Welterweight Champion

  1. (29-1-0) -
  2. (23-2-0) -
  3. (21-0-0) -
  4. (62-8-3) -
  5. (33-1-0) -
  6. (18-0-0) -
  7. (15-0-0) -
  8. (26-2-1) -
  9. (18-0-0) -
  10. (15-2-0) -
  11. (18-0-1) -
  12. (16-1-0) -
  13. (16-0-0) -
  14. Chile flag Eduardo Zuleta
    (19-0-1) -
  15. (21-2-1) -
WBO JUNIOR WELTERWEIGHT
Belt icon

United States flag Shakur Stevenson (25-0-0)

WBO World Junior Welterweight Champion

  1. (18-0-0) -
  2. (24-0-0) -
  3. (31-2-1) -
  4. (19-0-0) -
  5. (15-0-0) -
  6. United Kingdom flag Yaser Al Ghena
    (16-0-0) -
  7. (27-0-1) -
  8. Canada flag Movladdin Biyarslanov
    (21-0-0) -
  9. (25-1-0) -
  10. (23-3-0) -
  11. Dominican Republic flag Hendri Cedeno
    (16-0-0) -
  12. Japan flag Kuntae Lee
    (12-0-1) -
  13. Argentina flag Ignacio David Iribarren
    (15-0-1) -
  14. Ukraine flag Aram Faniian
    (26-2-0) -
  15. (24-1-0) -
WBO LIGHTWEIGHT
Belt icon

United States flag Abdullah Mason (21-0-0)

WBO World Lightweight Champion

  1. (19-1-0) -
  2. (22-0-0) -
  3. Japan flag Shu Utsuki
    (18-1-0) -
  4. (19-1-0) -
  5. United States flag Joshua James Pagan
    (16-0-0) -
  6. (18-0-0) -
  7. (19-0-0) -
  8. (27-3-0) -
  9. (28-1-0) -
  10. (29-2-0) -
  11. Mexico flag Rene Tellez Giron
    (23-5-0) -
  12. (20-0-0) -
  13. (7-1-0) -
  14. (18-1-0) -
  15. (9-0-1) -
WBO JUNIOR LIGHTWEIGHT
Belt icon

Mexico flag Emanuel Navarrete (40-2-1)

WBO World Junior Lightweight Champion

  1. (19-0-0) -
  2. (18-3-0) -
  3. (32-2-1) -
  4. (25-0-0) -
  5. (18-2-1) -
  6. (32-3-0) -
  7. Mexico flag Alberto Mora Garcia
    (15-0-0) -
  8. (17-0-0) -
  9. Dominican Republic flag Angelo Pena
    (13-0-0) -
  10. Japan flag Shunpei Ohata
    (8-1-0) -
  11. Japan flag Hayato Tsutsumi
    (9-0-0) -
  12. Puerto Rico flag Henry Lebron
    (21-0-0) -
  13. Puerto Rico flag Jan Paul Rivera Pizarro
    (16-0-0) -
  14. Dominican Republic flag Derlyn Hernandez Gerarldo
    (14-5-1) -
  15. Argentina flag Ayrton Osmar Gimenez
    (24-2-0) -
WBO FEATHERWEIGHT
Belt icon

Mexico flag Rafael Espinoza (28-0-0)

WBO World Featherweight Champion

  1. (24-1-1) -
  2. Japan flag Ryota Muto
    (10-1-1) -
  3. Japan flag Mikito Nakano
    (15-1-0) -
  4. (21-0-2) -
  5. Japan flag Toshiki Shimomachi
    (23-1-3) -
  6. (18-1-0) -
  7. Dominican Republic flag Yan Santana
    (17-0-0) -
  8. Japan flag Ryuto Owan
    (15-2-0) -
  9. (23-1-1) -
  10. Spain flag Cristobal Lorente
    (21-0-3) -
  11. (17-1-1) -
  12. (18-0-0) -
  13. Namibia flag Mateus Heita
    (15-1-0) -
  14. United States flag Felix Parrilla
    (13-0-0) -
  15. Mexico flag Brandon Mosqueda
    (14-0-0) -
WBO JUNIOR FEATHERWEIGHT
Belt icon

Japan flag Naoya Inoue (33-0-0)

WBO World Junior Featherweight Champion

  1. Philippines flag Carl Jammes Martin
    (28-0-0) -
  2. (32-1-0) -
  3. (22-1-0) -
  4. (36-5-1) -
  5. Russian Federation flag Mukhammad Shekhov
    (18-0-1) -
  6. (24-5-3) -
  7. Philippines flag Gabriel Santisima
    (11-1-1) -
  8. (15-2-0) -
  9. Namibia flag Fillipus Nghitumbwa
    (17-2-0) -
  10. (15-0-0) -
  11. Mexico flag Sebastian Hernandez
    (21-1-0) -
  12. Mexico flag Jorge Ascanio Martinez
    (16-1-1) -
  13. United Kingdom flag Tyrone Buttigieg
    (13-0-0) -
  14. Nicaragua flag Alex Vallecillo
    (16-1-0) -
  15. United States flag Angel Barrientes
    (15-1-0) -
WBO BANTAMWEIGHT
Belt icon

Mexico flag Christian Medina (27-4-0)

WBO World Bantamweight Champion

  1. (8-1-0) -
  2. (12-1-0) -
  3. (29-4-0) -
  4. (15-1-0) -
  5. (29-1-0) -
  6. (23-3-0) -
  7. Brazil flag Rubens Diego Dos Santos
    (16-1-0) -
  8. United States flag Katsuma Akitsugi
    (15-1-0) -
  9. Nicaragua flag Jordan Orozco Hernandez
    (17-0-0) -
  10. United States flag Michael Angeletti
    (15-0-0) -
  11. (14-1-0) -
  12. (30-6-5) -
  13. Japan flag Sento Ito
    (6-0-0) -
  14. (21-4-3) -
  15. Mexico flag Alejandro Jair Gonzalez
    (20-7-3) -
WBO JUNIOR BANTAMWEIGHT
Belt icon

Japan flag Kenshiro Teraji (26-2-0)

WBO World Junior Bantamweight Champion

  1. Japan flag Tomoya Tsuboi
    (3-0-0) -
  2. Japan flag Ryusei Kawaura
    (15-2-0) -
  3. (23-3-1) -
  4. Puerto Rico flag Olajuwon Acosta
    (16-0-0) -
  5. (17-1-0) -
  6. (43-5-2) -
  7. Japan flag Kenta Nakagawa
    (29-5-1) -
  8. (18-1-0) -
  9. South Africa flag Sikho Nqothole
    (22-3-0) -
  10. Mexico flag Israel Gonzalez
    (32-6-2) -
  11. Mexico flag Jassiel Ramon Amador Gamez
    (15-0-1) -
  12. (14-0-0) -
  13. Ghana flag Theophilous Kpakpo Allotey
    (14-0-0) -
  14. Mexico flag Brandon Gael Rodriguez Hernandez
    (9-1-0) -
  15. Nicaragua flag Bryan Largaespada
    (13-0-1) -
WBO FLYWEIGHT
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United States flag Anthony Olascuaga (12-1-0)

WBO World Flyweight Champion

  1. Mexico flag Yoali Mejia Mosqueda
    (15-0-0) -
  2. Colombia flag Yuberjen Martinez
    (7-0-0) -
  3. Mexico flag Joselito Velasquez
    (23-1-1) -
  4. Japan flag Kosuke Tomioka
    (11-4-1) -
  5. Philippines flag Arvin Jhon Paciones
    (13-0-0) -
  6. (10-1-0) -
  7. Nicaragua flag Gerardo Zapata
    (16-3-1) -
  8. Japan flag Atsuki Sano
    (9-0-0) -
  9. Namibia flag Fillemon Nghutenanye
    (14-1-2) -
  10. Japan flag Sho Nogami
    (8-0-0) -
  11. Mexico flag Jose Luis Russell Regalado
    (19-1-0) -
  12. Mexico flag Andy Dominguez Velasquez
    (13-1-0) -
  13. (19-1-0) -
  14. United States flag Anthony Johns
    (12-1-0) -
  15. United Kingdom flag Brandon Daord
    (12-0-0) -
WBO JR FLYWEIGHT
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Puerto Rico flag Rene Santiago (16-4-0)

WBO World Junior Flyweight Champion

  1. Philippines flag Regie Suganob
    (18-1-0) -
  2. Japan flag Yuga Ozaki
    (10-0-1) -
  3. (33-4-1) -
  4. Philippines flag Jesse Espinas
    (26-7-0) -
  5. Mexico flag Erick Badillo
    (19-1-0) -
  6. (21-6-0) -
  7. Japan flag Daiya Kira
    (4-0-0) -
  8. Philippines flag Arvin Magramo
    (21-2-1) -
  9. United States flag Terry Washington
    (8-0-0) -
  10. Panama flag Azael Villar
    (22-4-4) -
  11. Nicaragua flag Kevin Vivas
    (9-4-1) -
  12. (14-2-0) -
  13. Honduras flag Gerardo Sanchez
    (9-2-2) -
  14. Mexico flag Aaron de la Cruz Escobedo
    (14-0-0) -
  15. South Africa flag Siseko Teyisi
    (10-0-0) -
WBO MINI FLYWEIGHT
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United States flag Oscar Collazo (15-0-0)

WBO World Minimumweight Champion

Belt icon

Vacant

WBO Interim World Minimumweight Champion

  1. (8-0-0) -
  2. (25-4-0) -
  3. Mexico flag Russell Acosta Silveira
    (17-0-0) -
  4. Philippines flag Vic Saludar
    (28-6-0) -
  5. Venezuela flag Ronald Chacon
    (35-3-1) -
  6. Philippines flag Joey Canoy
    (25-5-2) -
  7. China flag DianXing Zhu
    (17-1-0) -
  8. (20-3-2) -
  9. Japan flag Takeshi Ishii
    (11-1-0) -
  10. Philippines flag Samuel Salva
    (22-3-0) -
  11. Philippines flag Joseph Sumabong
    (11-1-0) -
  12. Argentina flag Junior Leandro Zarate
    (27-6-0) -
  13. Japan flag Katsuki Mori
    (14-4-1) -
  14. Philippines flag Jayson Vayson
    (15-2-1) -
  15. Japan flag Takero Kitano
    (11-1-1) -

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