WBO news, written in our own words with every source linked. Its belt completes the four-belt set needed to be undisputed champion.
New WBO stories appear here as they are published.
What we cover on WBO
The World Boxing Organization, founded in 1988 and based in Puerto Rico, is the youngest of the four major bodies. Its belt completes the four-belt set needed to be undisputed champion. Oleksandr Usyk vacated the WBO heavyweight title on November 17, 2025, and the WBO elevated Fabio Wardley to full champion. Daniel Dubois won the title from Wardley on May 9, 2026 and retained it in their rematch on October 17, 2026.
| Fact | WBO |
|---|---|
| Founded | 1988 |
| Headquarters | San Juan, Puerto Rico |
| Completes the undisputed set | Fourth belt |
| Heavyweight champion (since May 9, 2026) | Daniel Dubois |
| Usyk vacated the WBO heavyweight title | Nov 17, 2025 |
How we report WBO news
Every WBO story on Wrestling Headliner is written in our own words from the original source, which is linked at the foot of the story. Results stories go up the night of the event and are expanded into full results pages with tables and analysis. Rumors are kept separate and rated for credibility.
Coverage led by David Thompson, MMA & Boxing Editor. Fact-checked by John Miller, Editor-in-Chief.
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Headlines link to the original publishers. Our own reporting is in the stories above.