In boxing, the undisputed champion of a weight class is the boxer who simultaneously holds world titles from all recognized major organisations by each other and the International Boxing Hall of Fame. There are currently four major sanctioning bodies: WBA, WBC, IBF and WBO. There were many undisputed champions before the number of major sanctioning bodies recognizing each other increased to four in 2007, but there have only been 19 boxers to hold all four titles simultaneously.
Zhilei Zhang is a Chinese professional boxer. He previously held the World Boxing Organization (WBO) interim heavyweight title between 2023 and March 2024. As an amateur, he won bronze medals at the 2007 and 2009 World Championships, and a silver medal at the 2008 Olympics, all in the super-heavyweight division. As of January 2024, Zhang is ranked as the world's third-best active heavyweight by The Ring magazine.
Tyson Luke Fury is a British professional boxer. He has held the World Boxing Council (WBC) heavyweight title since 2020. Previously, he held the unified heavyweight titles from 2015 to 2016, and the Ring magazine title twice between 2015 and 2022. He also held the International Boxing Organization (IBO) title during his first reign as champion. At regional level, he has held multiple heavyweight championships, including the British title twice between 2011 and 2015; the European title from 2014 to 2015; and the Commonwealth title from 2011 to 2012.
Oleksandr Oleksandrovych Usyk is a Ukrainian professional boxer. He has held multiple world championships in two weight classes, including the unified heavyweight titles since 2021, and the Ring magazine title since 2022. He has also held the International Boxing Organization (IBO) title since 2021. Previously, he held the undisputed cruiserweight championship from 2018 to 2019, being the first boxer in that division to hold all four major world titles.
Anthony Oluwafemi Olaseni Joshua is a British professional boxer. He is a two-time former unified world heavyweight champion, having held the World Boxing Association (WBA), International Boxing Federation (IBF), and World Boxing Organization (WBO) titles twice between 2016 and 2021. He also held the International Boxing Organization (IBO) title twice during that reign. At regional level, he held the British and Commonwealth heavyweight titles from 2015 to 2016.
Daniel Dubois is a British professional boxer who held the World Boxing Association (WBA) heavyweight title from 2022 to 2023. At regional level, he has held multiple heavyweight championships, including the British and Commonwealth titles from 2019 to 2020. As an amateur, he was a five-time national junior titlist and British champion. He currently holds a 95% knockout-to-win percentage.
Deontay Wilder vs. Tyson Fury was a professional boxing match contested on December 1, 2018, for the WBC Heavyweight Championship.
Andy Ruiz Jr. vs Anthony Joshua II, billed as Clash On The Dunes, was a heavyweight professional boxing rematch between the Mexican-American champion Andy Ruiz Jr. and British former champion Anthony Joshua, for the unified WBA (Super), IBF, WBO and IBO heavyweight world titles. The event took place on December 7, 2019, at the Diriyah Arena, Diriyah, Saudi Arabia. Joshua won the bout via unanimous decision. The bout between Ruiz and Joshua was refereed by Luis Pabon.
Tyson Fury vs. Deontay Wilder III billed as "Once And For All" was a professional boxing trilogy fight between WBC and The Ring heavyweight champion, Tyson Fury, and former WBC heavyweight champion, Deontay Wilder. The bout took place at T-Mobile Arena in Paradise, Nevada on October 9, 2021. The fight, which Fury won via eleventh-round knockout, was widely regarded as the best fight of the year and one of the greatest heavyweight fights of all time, winning the award for The Ring magazine Fight of the Year 2021.
Tyson Fury vs. Anthony Joshua is a proposed heavyweight professional boxing match contested between WBC champion, Tyson Fury, and former WBA (Super), IBF, WBO and IBO champion, Anthony Joshua. The fight has been dubbed as the "biggest fight in British boxing history" and "The Battle of Britain". As of April 2024, no agreement has been reached which secured a fight between the two heavyweights.
Anthony Joshua vs Oleksandr Usyk, billed as The Perfect Storm, was a professional boxing match that was contested between WBA (Super), IBF, WBO, and IBO heavyweight champion, Anthony Joshua, and former undisputed cruiserweight champion and the WBO's heavyweight mandatory challenger, Oleksandr Usyk. The bout took place on 25 September 2021 at the Tottenham Hotspur Stadium, with Usyk winning by unanimous decision.
Tyson Fury vs Dillian Whyte was a professional boxing event that featured heavyweight professional boxing match contested between WBC and The Ring heavyweight champion, Tyson Fury, and WBC interim heavyweight champion, Dillian Whyte. The bout took place on Saturday 23 April 2022 at Wembley Stadium in London, England.
Oleksandr Usyk vs Anthony Joshua II, billed as Rage on the Red Sea, was a heavyweight professional boxing match between WBA (Super), IBF, WBO, and IBO heavyweight champion, Oleksandr Usyk, and former heavyweight champion, Anthony Joshua. The bout took place on 20 August 2022 at King Abdullah Sports City in Jeddah, Saudi Arabia. Usyk won the 12-round bout by split decision, with scores of 116–112 and 115–113 in his favour, and 115–113 in favour of Joshua.
Boxing in the 2020s is a list of notable fights and events in boxing during the decade from the year 2020 to 2029.
Oleksandr Usyk vs Derek Chisora, billed as Fright Night, was a professional boxing match contested between former undisputed cruiserweight champion and the WBO's heavyweight mandatory challenger, Oleksandr Usyk, and WBO Inter-Continental heavyweight champion, Derek Chisora. The bout took place on 31 October 2020 at The SSE Arena, with Usyk winning by unanimous decision.
Tyson Fury vs Derek Chisora III was a professional boxing match contested between WBC heavyweight champion, Tyson Fury, and WBA International heavyweight champion, Derek Chisora, that took place on 3 December 2022 at the Tottenham Hotspur Stadium, with Fury winning by technical knockout in the tenth round.
Tyson Fury vs Francis Ngannou, billed as Battle of the Baddest, was a professional boxing match between reigning WBC heavyweight champion Tyson Fury and former UFC Heavyweight Champion Francis Ngannou, that took place on 28 October 2023 in Riyadh, Saudi Arabia. The British Boxing Board of Control was the host commission for the event.
Oleksandr Usyk vs Daniel Dubois was a heavyweight professional boxing match between WBA (Super), IBF, WBO, IBO and The Ring heavyweight champion, Ukrainian, Oleksandr Usyk and WBA (Regular) heavyweight champion, Briton, Daniel Dubois.
The Day of Reckoning, was the billing of a professional boxing event. While the fight card consists of eight fights, two heavyweight fights serve as co-main events. The first, Anthony Joshua vs Otto Wallin was contested between English former WBA (Super), IBF, WBO, and IBO heavyweight champion Anthony Joshua and Swedish WBA inter-continental heavyweight champion Otto Wallin. The second, Deontay Wilder vs Joseph Parker, was contested between American former WBC heavyweight champion Deontay Wilder and New Zealand IBF and WBO inter-continental heavyweight champion Joseph Parker.
Anthony Joshua vs Francis Ngannou, billed as Knockout Chaos, was a heavyweight professional boxing match contested between 2-time former unified heavyweight champion Anthony Joshua and former UFC heavyweight champion Francis Ngannou.
