Anuncio Oficial: 38ava Convención de la OMB

Negotiations WBO Female Jr. Bantamweight Mandatory Championship Contest Mizuki Hiruta...

WBO Resolution – WBO Jr. Middleweight Champion Sebastian Fundora

Carta de Nombramiento Jesuan Letzia

WBO Convention 2024. Save the date!

Negotiations Vacant WBO Lightweight Championship Contest Emanuel Navarrete vs Denys...

WBO Female Ratings Explanation December 2023

WBO Female Ratings Explanations September 2023

WBO Female Ratings Explanations August 2023

Purse Bid – Jerusalem/Collazo

Ioka/Nakatania Purse bid Notice

Resolución Velasquez vs Averanga WBO Latino

World Champion Amanda Serrano Invites You to the 2022 WBO...

Claudia Trejos, Host of the WBO Convention Podcast

WBO Middleweight Championship Negotiations – Andrade/Alimkhanuly

Orden de Subasta – Título Mundial Femenino OMB Peso Mosca...

WBO Bantamweight Mandatory Championship – Casimero/Butler Sanction Ltr.

Purse Bid Notice – Promoters – WBO Middleweight Championship Mandatory...

Explanations from Nov. 21 to Dec. 11, 2021

Explanations November from Oct. 17 to Nov. 20, 2021

Paul Butler vs Willibaldo Garcia Approval Letter

Show Cause Notice – WBO Heavyweight Champion Anthony Joshua

WBO Referee’s Seminar by Sole Arbiter

Agbeko vs Butler Approval Letter