World Boxing Organization

Sanctioning organization for professional boxing bouts

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The World Boxing Organization (WBO) is an organization which sanctions professional boxing bouts. It is recognized by the International Boxing Hall of Fame (IBHOF) as one of the four major world championship groups, alongside the World Boxing Association (WBA), World Boxing Council (WBC), and International Boxing Federation (IBF). The WBO's headquarters are located in San Juan, Puerto Rico.

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I had to choose between my brain and my fight - Hardy Former WBO featherweight champion Heather Hardy says her boxing career could be over after suffering "too much brain damage". BBC Sport - Published 2 weeks ago
Alvarez beats Munguia on points to defend titles Saul 'Canelo' Alvarez beats fellow Mexican Jaime Munguia by a unanimous points decision to retain his WBA, WBC, WBO and IBF super-middleweight titles in Las Vegas. BBC Sport - Published 2 weeks ago
Billam-Smith 'motivated to avenge loss' to Riakporhe WBO cruiserweight champion Chris Billam-Smith is relishing the chance to "avenge" the only loss on his professional record against Richard Riakporhe on 15 June. BBC Sport - Published 2 weeks ago

Billam-Smith to defend title against Riakporhe Chris Billam-Smith will defend his WBO cruiserweight title against fellow Briton Richard Riakporhe at Selhurst Park on 15 June. BBC Sport - Published on April 23, 2024
GB's Dixon beats Carabajal to become WBO champion Warrington-born Rhiannon Dixon completes her journey from pharmacist to world champion as she beats Karen Elizabeth Carabajal to claim the WBO lightweight belt. BBC Sport - Published on April 13, 2024
Formidable Ryan stops Harper to defend world title World champion Sandy Ryan defends her WBO welterweight crown with a formidable stoppage win over fellow Briton Terri Harper in Sheffield. BBC Sport - Published on March 23, 2024

Ryan v Harper - text & radio from all-British world title fight Follow live text & radio commentary as Sandy Ryan faces Terri Harper in the WBO welterweight title in Sheffield. BBC Sport - Published on March 22, 2024
Billam-Smith pleased with first title defence WBO cruiserweight champion Chris Billam-Smith discusses his first world title defence after victory over Mateusz Masternak. BBC Sport - Published on December 11, 2023
Billam-Smith beats Masternak to retain title Britain's Chris Billam-Smith defends his WBO cruiserweight title with an eighth-round stoppage of Mateusz Masternak in Bournemouth. BBC Sport - Published on December 10, 2023
Billam-Smith v Masternak: Updates from cruiserweight world title fight Follow live text updates as Chris Billam-Smith defends his WBO cruiserweight title against Mateusz Masternak at the Bournemouth International Centre. BBC Sport - Published on December 10, 2023

'Cementing legacy' is motivation for Billam-Smith Chris Billam-Smith aims to cement his legacy as he prepares for the first defence of his WBO cruiserweight title against Mateusz Masternak in Bournemouth on 10 December. BBC Sport - Published on December 1, 2023
Heartbreak for Rankin in split decision loss to Kozin Ema Kozin is the new WBO and WBC light-middleweight champion after a split decision win over Scotland's Hannah Rankin in Manchester. BBC Sport - Published on November 18, 2023
Rankin targets WBC and WBO light-middleweight belts against Kozin Live coverage as Hannah Rankin aims to become Scotland's first female unified world champion when she fights Ema Kozin for the WBC and WBO light-middleweight belts. BBC Sport - Published on November 18, 2023	MMA crossover 'not crazy idea' for boxer Rankin Hannah Rankin is fully focused on facing Ema Kozin for the vacant WBC & WBO light-middleweight world titles, but says she could eventually have a crossover mixed martial arts fight. BBC Sport - Published on November 17, 2023
Motivation different as champion - Billam-Smith Chris Billam-Smith will make the first defence of his WBO cruiserweight title against Mateusz Mastertak in Bournemouth on 10 December. BBC Sport - Published on November 1, 2023	Tszyu beats Mendoza to retain WBO title Australian Tim Tszyu extends his unbeaten record to 24 bouts with a unanimous points decision over American Brian Mendoza to defend his WBO super welterweight title. BBC Sport - Published on October 15, 2023
Alvarez beats Charlo to keep undisputed crown Saul 'Canelo' Alvarez defends his WBO, WBC, WBA and IBF super-middleweight belts by beating Jermell Charlo in Las Vegas. BBC Sport - Published on October 1, 2023	Usyk knocks out Dubois to retain heavyweight titles Ukrainian champion Oleksandr Usyk knocks out Britain's Daniel Dubois in the ninth round to retain his WBA, WBO & IBF heavyweight world titles. BBC Sport - Published on August 26, 2023
Will underdog Dubois topple champion Usyk? Briton Daniel Dubois says he is ready to take the WBO, WBA (Super) and IBF heavyweight titles from Oleksandr Usyk on Saturday. BBC Sport - Published on August 25, 2023	Britain's Harper to fight Braekhus for world titles Britain's Terri Harper will face Norwegian Cecilia Braekhus for the WBA and WBO super-welterweight titles in Sheffield in October. BBC Sport - Published on August 2, 2023
Smith's world title shot at Beterbiev cancelled Briton Callum Smith's title fight against unbeaten WBC, WBO and IBF light heavyweight champion Artur Beterbiev is cancelled. BBC Sport - Published on July 31, 2023	Inoue becomes four-division world champion Naoya Inoue sensationally stopped Stephen Fulton to win the WBO and WBC super-bantamweight titles and become and a four-division world champion. BBC Sport - Published on July 25, 2023
Usyk to defend belts against Dubois in August Heavyweight world champion Oleksandr Usyk will defend his WBO, WBA (Super) and IBF titles against Briton Daniel Dubois in Poland on 26 August. BBC Sport - Published on July 6, 2023	Taylor has title wrenched away by Lopez in New York Josh Taylor has his final world title wrenched away as Teofimo Lopez outpoints him to become WBO super-lightweight champion. BBC Sport - Published on June 11, 2023
Taylor promises 'top tier' display against Lopez Josh Taylor says he is going to deliver a "top tier" performance when he defends his WBO light-welterweight title against Teofimo Lopez. BBC Sport - Published on June 8, 2023	Briton Smith to fight Beterbiev for belts in Canada Britain's Callum Smith will face world champion Artur Beterbiev for the WBO, WBC and IBF light-heavyweight titles in Canada on 19 August. BBC Sport - Published on May 25, 2023
Alimkhanuly defends title & calls out Alvarez Janibek Alimkhanuly defends his WBO middleweight world title with an impressive second-round knockout of Steven Butler before calling out Saul 'Canelo' Alvarez. BBC Sport - Published on May 14, 2023	Ryan wins WBO welterweight world title Derby's Sandy Ryan captures the vacant WBO welterweight title as she secures a wide points win over Marie Pier Houle. BBC Sport - Published on April 22, 2023
Rodriguez calls out Edwards after WBO title win Jesse 'Bam' Rodriguez says he wants to fight Britain's Sunny Edwards next after claiming the vacant WBO world flyweight title. BBC Sport - Published on April 9, 2023	Okolie to defend WBO title against Billam-Smith Lawrence Okolie will defend his WBO cruiserweight title against fellow Briton Chris Billam-Smith at Bournemouth's Vitality Stadium on 27 May. BBC Sport - Published on April 4, 2023
Okolie labours to points win over Light Briton Lawrence Okolie defended his WBO cruiserweight title with a comfortable but scrappy points win over David Light at Manchester's AO Arena. BBC Sport - Published on March 25, 2023	Okolie v Light - world-title fight predictions Briton Lawrence Okolie defends his WBO cruiserweight world title against New Zealand's David Light - here are some predictions from the boxing world. BBC Sport - Published on March 25, 2023
New team, new fighter? Inside Okolie's complete overhaul Lawrence Okolie will have a very different team behind him when he defends his WBO cruiserweight world title on Saturday in Manchester. BBC Sport - Published on March 24, 2023	Boxing: Okolie v Light - radio & text Follow Radio 5 Live commentary and text updates as Britain's Lawrence Okolie defends his WBO cruiserweight world title against David Light in Manchester. BBC Sport - Published on March 24, 2023