Unraveling the Glory: Boxing's Undisputed Champions of the Four-Belt Era

In the realm of boxing, where grit meets glory, becoming an undisputed champion is the pinnacle of achievement. To attain this revered title, a boxer must possess all four major sanctioning body belts—those held by the World Boxing Association (WBA), World Boxing Council (WBC), International Boxing Federation (IBF), and the World Boxing Organization (WBO). Since the establishment of the four-belt era in 2007, only a select few athletes have reached this level of greatness.

Men's Undisputed Champions in the Four-Belt Era

1. Artur Beterbiev (Light Heavyweight) - October 2024
2. Oleksandr Usyk (Heavyweight) - May 2024 to June 2024
3. Naoya Inoue (Junior Featherweight) - December 2023
4. Terence Crawford (Welterweight) - July 2023 to November 2023
5. Naoya Inoue (Bantamweight) - December 2022 to January 2023
6. Devin Haney (Lightweight) - June 2022 to November 2023
7. Jermell Charlo (Junior Middleweight) - November 2021 to July 2024
8. Canelo Alvarez (Super Middleweight) - November 2021 to July 2024
9. Josh Taylor (Junior Welterweight) - May 2021 to June 2023
10. Oleksandr Usyk (Cruiserweight) - July 2018 to June 2019
11. Terence Crawford (Junior Welterweight) - August 2017 to September 2017
12. Jermain Taylor (Middleweight) - July 2005 to September 2007

Women's Undisputed Champions in the Four-Belt Era

1. Claressa Shields (Heavyweight) - February 2025
2. Seniesa Estrada (Strawweight) - March 2024 to October 2024
3. Katie Taylor (Junior Welterweight) - November 2023
4. Savannah Marshall (Super Middleweight) - July 2023 to December 2023
5. Alycia Baumgardner (Junior Lightweight) - February 2023
6. Amanda Serrano (Featherweight) - February 2023 to December 2023
7. Chantelle Cameron (Junior Welterweight) - November 2022 to November 2023
8. Franchón Crews-Dezurn (Super Middleweight) - April 2022 to July 2023
9. Claressa Shields (Junior Middleweight) - May 2021
10. Jessica McCaskill (Welterweight) - August 2020 to November 2022
11. Katie Taylor (Lightweight) - June 2019 to January 2024
12. Claressa Shields (Middleweight) - April 2019 to 2020
13. Cecilia Brækhus (Welterweight) - September 2014 to August 2020

These champions not only represent their divisions but also embody the spirit of determination and excellence in the sport. For the latest updates on boxing, including rankings, schedules, and news, visit the ESPN boxing hub page.