Open Boxing

WBO lightweight world title

Covers world title bouts since 1989. Current champion: Abdullah Mason, since 22nd Nov 2025.

World title bouts
73
Champions
22
Longest reign (Artur Grigorian, 1996–2004)
7 years, 8 months
Most successful defences in one reign (Artur Grigorian, 1996–2004)
17

Current champion

Abdullah MasonSince 22nd Nov 2025 · 11 months · 1 successful defence

Reigns and world title bouts

Jan 2022 – Jan 2027

WBO
JrDevin HaneyDenys BerinchykDavisAbdullah Mason
AprJulOct2023AprJulOct2024AprJulOct2025AprJulOct2026AprJulOct2027
1990200020102020

World title bout

Reigns by length

  1. 1Artur GrigorianWBO1996–20047 years, 8 months · 17 successful defences
  2. 2Juan Manuel MarquezWBO2009–20122 years, 10 months · 2 successful defences
  3. 3Terry FlanaganWBO2015–20172 years, 3 months · 5 successful defences
  4. 4Ricky BurnsWBO2012–20141 year, 11 months · 2 successful defences
  5. 5Vasyl LomachenkoWBO2018–20201 year, 10 months · 2 successful defences
  6. 6Diego CorralesWBO2004–20061 year, 7 months · 1 successful defence
  7. 7Oscar De La HoyaWBO1994–19961 year, 6 months · 6 successful defences
  8. 8Devin HaneyWBO2022–20231 year, 5 months · 2 successful defences
  9. 9Mauricio AcevesWBO1989–19901 year, 4 months · 1 successful defence
  10. 10Giovanni ParisiWBO1992–19941 year, 3 months · 2 successful defences
  11. 11Teofimo LopezWBO2020–20211 year, 1 month · 0 successful defences
  12. 12Terence CrawfordWBO2014–20151 year · 2 successful defences
  13. 13Acelino FreitasWBO2006–200711 months · 0 successful defences
  14. 14Abdullah MasonWBO2025–present11 months · 1 successful defence
  15. 15Nate CampbellWBO2008–200911 months · 0 successful defences
  16. 16Juan DiazWBO2007–200810 months · 1 successful defence
  17. 17Denys BerinchykWBO2024–20258 months · 0 successful defences
  18. 18Acelino FreitasWBO2004–20047 months · 0 successful defences
  19. 19Raymundo BeltranWBO2018–20186 months · 0 successful defences
  20. 20George Kambosos JrWBO2021–20226 months · 0 successful defences
  21. 21Keyshawn DavisWBO2025–20253 months · 0 successful defences
  22. 22Jose PedrazaWBO2018–20183 months · 0 successful defences
  23. 23Dingaan ThobelaWBO1990–19913 months · 0 successful defences

Timeline of world title events

  1. 1989

  2. Amancio Castro and Mauricio Aceves draw via points decision 12/12

    Lightweight · WBO

  3. Mauricio Aceves beats Amancio Castro via unanimous decision 12/12

    Lightweight · WBONew champion

  4. Mauricio Aceves beats Oscar Bejines via knockout 10/12

    Lightweight · WBO

  1. 1990

  2. Dingaan Thobela beats Mauricio Aceves via split decision 12/12

    Lightweight · WBONew champion

  3. 1991

  4. Dingaan Thobela’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  5. Dingaan Thobela beats Mario Martinez via unanimous decision 12/12

    Lightweight · WBO

  6. Dingaan Thobela beats Antonio Rivera via unanimous decision 12/12

    Lightweight · WBO

  7. 1992

  8. Giovanni Parisi beats Francisco Javier Altamirano via knockout 10/12

    Lightweight · WBONew champion

  9. 1993

  10. Giovanni Parisi beats Michael Ayers via unanimous decision 12/12

    Lightweight · WBO

  11. Giovanni Parisi beats Antonio Rivera via unanimous decision 12/12

    Lightweight · WBO

  12. 1994

  13. Giovanni Parisi’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  14. Oscar De La Hoya beats Jorge Paez via knockout 2/12

    Lightweight · WBONew champion

  15. Oscar De La Hoya beats Carl Griffith via knockout 3/12

    Lightweight · WBO

  16. Oscar De La Hoya beats John Avila via knockout 9/12

    Lightweight · WBO

  17. 1995

  18. Oscar De La Hoya beats John John Molina via unanimous decision 12/12

    Lightweight · WBO

  19. Oscar De La Hoya beats Rafael Ruelas via knockout 2/12

    Lightweight · IBF and WBO

  20. Oscar De La Hoya beats Genaro Hernandez via corner retirement 6/12

    Lightweight · WBO

  21. Oscar De La Hoya beats Jesse James Leija via corner retirement 2/12

    Lightweight · WBO

  22. 1996

  23. Oscar De La Hoya’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  24. Artur Grigorian beats Antonio Rivera via knockout 12/12

    Lightweight · WBONew champion

  25. Artur Grigorian beats Gene Reed via knockout 2/12

    Lightweight · WBO

  26. Artur Grigorian beats Marty Jakubowski via unanimous decision 12/12

    Lightweight · WBO

  27. 1997

  28. Artur Grigorian beats Raul Horacio Balbi via knockout 11/12

    Lightweight · WBO

  29. Artur Grigorian beats David Armstrong via unanimous decision 12/12

    Lightweight · WBO

  30. 1998

  31. Artur Grigorian beats Marco Rudolph via knockout 6/12

    Lightweight · WBO

  32. Artur Grigorian beats Giorgio Campanella via knockout 10/12

    Lightweight · WBO

  33. 1999

  34. Artur Grigorian beats Oscar Garcia Cano via unanimous decision 12/12

    Lightweight · WBO

  35. Artur Grigorian beats Michael Clark via knockout 5/12

    Lightweight · WBO

  36. Artur Grigorian beats Wilson Enrique Galli via knockout 10/12

    Lightweight · WBO

  1. 2000

  2. Artur Grigorian beats Sandro Casamonica via knockout 9/12

    Lightweight · WBO

  3. Artur Grigorian beats Zoltan Kalocsai via knockout 12/12

    Lightweight · WBO

  4. Artur Grigorian beats Antonio Pitalua via unanimous decision 12/12

    Lightweight · WBO

  5. 2001

  6. Artur Grigorian beats Angel Jose Perez via knockout 6/12

    Lightweight · WBO

  7. Artur Grigorian beats Aldo Nazareno Rios via unanimous decision 12/12

    Lightweight · WBO

  8. 2002

  9. Artur Grigorian beats Rocky Martinez via knockout 8/12

    Lightweight · WBO

  10. Artur Grigorian beats Stefano Zoff via unanimous decision 12/12

    Lightweight · WBO

  11. 2003

  12. Artur Grigorian beats Matt Zegan via majority decision 12/12

    Lightweight · WBO

  13. 2004

  14. Acelino Freitas beats Artur Grigorian via unanimous decision 12/12

    Lightweight · WBONew champion

  15. Diego Corrales beats Acelino Freitas via knockout 10/12

    Lightweight · WBONew champion

  16. 2005

  17. Diego Corrales beats Jose Luis Castillo via knockout 10/12

    Lightweight · WBC, WBO and The Ring

  18. 2006

  19. Diego Corrales’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  20. Acelino Freitas beats Zahir Raheem via split decision 12/12

    Lightweight · WBONew champion

  21. 2007

  22. Juan Diaz beats Acelino Freitas via corner retirement 8/12

    Lightweight · WBA Super and WBONew WBO champion

  23. Juan Diaz beats Julio Diaz via knockout 9/12

    Lightweight · WBA Super, IBF and WBO

  24. 2008

  25. Nate Campbell beats Juan Diaz via split decision 12/12

    Lightweight · WBA Super, IBF and WBONew WBO champion

  26. 2009

  27. Nate Campbell’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  28. Nate Campbell beats Ali Funeka via majority decision 12/12

    Lightweight · WBA Super, IBF and WBO

  29. Juan Manuel Marquez beats Juan Diaz via knockout 9/12

    Lightweight · WBA Super, WBO and The RingNew WBO champion

  1. 2010

  2. Juan Manuel Marquez beats Juan Diaz via unanimous decision 12/12

    Lightweight · WBA Super, WBO and The Ring

  3. Juan Manuel Marquez beats Michael Katsidis via knockout 9/12

    Lightweight · WBA Super, WBO and The Ring

  4. 2012

  5. Juan Manuel Marquez’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  6. Ricky Burns beats Moses Paulus via unanimous decision 12/12

    Lightweight · WBONew champion

  7. Ricky Burns beats Kevin Mitchell via knockout 4/12

    Lightweight · WBO

  8. 2013

  9. Ricky Burns beats Jose A Gonzalez via corner retirement 9/12

    Lightweight · WBO

  10. Ricky Burns and Raymundo Beltran draw via split decision 12/12

    Lightweight · WBO

  11. 2014

  12. Terence Crawford beats Ricky Burns via unanimous decision 12/12

    Lightweight · WBONew champion

  13. Terence Crawford beats Yuriorkis Gamboa via knockout 9/12

    Lightweight · WBO

  14. Terence Crawford beats Raymundo Beltran via unanimous decision 12/12

    Lightweight · WBO and The Ring

  15. 2015

  16. Terence Crawford’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  17. Raymundo Beltran v Takahiro Ao ends in a no contest

    Lightweight · WBO

  18. Terry Flanagan beats Jose Zepeda via corner retirement 2/12

    Lightweight · WBONew champion

  19. Terry Flanagan beats Diego Magdaleno via knockout 2/12

    Lightweight · WBO

  20. 2016

  21. Terry Flanagan beats Derry Mathews via unanimous decision 12/12

    Lightweight · WBO

  22. Terry Flanagan beats Mzonke Fana via unanimous decision 12/12

    Lightweight · WBO

  23. Terry Flanagan beats Orlando Cruz via knockout 8/12

    Lightweight · WBO

  24. 2017

  25. Terry Flanagan beats Petr Petrov via unanimous decision 12/12

    Lightweight · WBO

  26. Terry Flanagan’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  27. 2018

  28. Raymundo Beltran beats Moses Paulus via unanimous decision 12/12

    Lightweight · WBONew champion

  29. Jose Pedraza beats Raymundo Beltran via unanimous decision 12/12

    Lightweight · WBONew champion

  30. Vasyl Lomachenko beats Jose Pedraza via unanimous decision 12/12

    Lightweight · WBA Super, WBO and The RingNew WBO champion

  31. 2019

  32. Vasyl Lomachenko beats Anthony Crolla via knockout 4/12

    Lightweight · WBA Super, WBO and The Ring

  33. Vasyl Lomachenko beats Luke Campbell via unanimous decision 12/12

    Lightweight · WBA Super, WBC, WBO and The Ring

  1. 2020

  2. Teofimo Lopez beats Vasyl Lomachenko via unanimous decision 12/12

    Lightweight · WBA Super, IBF, WBO and The RingNew WBO champion

  3. 2021

  4. George Kambosos Jr beats Teofimo Lopez via split decision 12/12

    Lightweight · WBA Super, IBF, WBO and The RingNew WBO champion

  5. 2022

  6. Devin Haney beats George Kambosos Jr via unanimous decision 12/12

    Lightweight · WBA Super, WBC, IBF, WBO and The RingNew WBO champion

  7. Devin Haney beats George Kambosos Jr via unanimous decision 12/12

    Lightweight · WBA Super, WBC, IBF, WBO and The Ring

  8. 2023

  9. Devin Haney beats Vasyl Lomachenko via unanimous decision 12/12

    Lightweight · WBA Super, WBC, IBF, WBO and The Ring

  10. Devin Haney’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  11. 2024

  12. Denys Berinchyk beats Emanuel Navarrete via split decision 12/12

    Lightweight · WBONew champion

  13. 2025

  14. Keyshawn Davis beats Denys Berinchyk via knockout 4/12

    Lightweight · WBONew champion

  15. Keyshawn Davis’s reign as the WBO lightweight world champion ends

    Lightweight · WBO

  16. Abdullah Mason beats Sam Noakes via unanimous decision 12/12

    Lightweight · WBONew champion

    Source: Benavidez–Yarde KO, Haney–Norman Jr Upset, Mason–Noakes Thriller & Rodriguez–Martinez Domination Headline Explosive Riyadh Fight Night(opens in a new tab), Boxing News 24, Ken Hissner,

  17. 2026

  18. Abdullah Mason beats Albert Bell via technical knockout 12/12

    Lightweight · WBO

    Source: Abdullah Mason vs Albert Bell | Top Rank Boxing Event(opens in a new tab), Top Rank