Best Undisputed
Updated Daily
A July 2023 welterweight unification bout in which Crawford stopped Spence in round 9 to become the first undisputed welterweight champion of the four-belt era.
Oleksandr Usyk became the undisputed heavyweight champion—the first since Lennox Lewis in 1999—by edging Tyson Fury via split decision in Riyadh, Saudi Arabia in May 2024.
The clash between Oleksandr Usyk and Tyson Fury represents a significant rivalry within modern boxing. Usyk’s May 2024 victory secured his status as the first undisputed heavyweight champion since Lennox Lewis in 1999, controlling all four major world titles. This fight is of interest to boxing fans...
A May 2022 rematch in which Charlo stopped Castano in round 10 to become the undisputed junior middleweight champion, holding all four major organization belts.
An October 2019 light heavyweight unification bout in which Beterbiev stopped Gvozdyk in round 10 to consolidate the IBF and WBC 175-pound titles.
Taylor defeated Ramirez by unanimous decision in Las Vegas in May 2021, becoming the undisputed super lightweight champion by unifying all four major world title belts.
An October 2024 light heavyweight unification bout in which Beterbiev defeated Bivol by split decision to become the undisputed 175-pound world champion.
A February 2025 light heavyweight rematch in which Bivol defeated Beterbiev by unanimous decision to claim the undisputed 175-pound championship.
An August 2017 junior welterweight unification bout in which Crawford stopped Indongo in round 3, becoming the first undisputed 140-pound champion of the four-belt era.
A July 2021 junior middleweight unification bout that ended in a controversial split draw, leaving both fighters to retain their respective world titles.
Oleksandr Usyk stopped Tony Bellew by TKO in round 8 in Manchester in 2018, defending his undisputed cruiserweight titles in his final 200-lb bout before moving up to heavyweight.
Canelo Álvarez became the first undisputed super middleweight champion in November 2021 by stopping Caleb Plant via TKO in round 11 to unify all four major 168-lb titles.
Junto Nakatani challenged Ukrainian WBA flyweight champion Artem Dalakian in a flyweight unification contest, with Nakatani seeking to add a second major belt at 112 pounds.
Jesse Rodriguez defeated Fernando Martinez a second time in their super flyweight rematch, retaining unified 115-pound titles and consolidating his position atop the division.
A June 2022 WBC lightweight title defense in which Haney defeated Ramirez by unanimous decision, retaining all his major belts and his unbeaten record.
