US EditionMunguia Faces Discipline After B-Sample Positive
RIYADH, SAUDI ARABIA, JUN 17 – Jaime Munguia faces possible suspension and a no-contest ruling after both A and B drug tests confirmed synthetic testosterone use following his May 4 fight.
- Jaime Munguia tested positive for exogenous testosterone in both A- and B-sample drug tests following his May 4, 2025 unanimous-decision victory over Bruno Surace in Riyadh.
- This positive result came after Munguia avenged Surace's knockout win from their December 2024 bout, and Munguia's team claims the finding resulted from contamination not intentional ingestion.
- Surace expressed shock over the positive test, emphasizing boxing has no place for cheating, while Munguia has formally requested additional testing and maintains full cooperation with authorities.
- Team Munguia stated that Jaime was not aware of or did not purposefully consume any prohibited substances, and they confirmed that the B-sample test also detected synthetic testosterone, consistent with the initial A-sample results.
- Munguia may face suspension and have his victory over Surace changed to a no-contest, while the governing body has not yet set a date for an official hearing.
13 Articles
13 Articles
Bruno Surace said that what happened is sad for boxing and asked the competent authorities that Jaime Munguía be sanctioned
Bruno Surace fell from high. Very admired by Jaime Munguia, the Mexican boxer whom he had beaten by KO last September in Tijuana, before losing by unanimous decision of the judges the revenge in May in Riyadh, the 26-year-old Marseilles learned in recent days that his opponent was actually doped with testosterone at the time of the second fight. The analysis of sample B confirmed the positive test of sample A, and the British Boxing Board of Con…
Jaime Munguía's positive (45-2, 35 KO) was confirmed as an adverse result in sample B, in the control carried out after his victory by unanimous decision before the French Bruno Surace (26-1-2, 5 KO) on May 4 in Riyadh. The detected substance is testosterone metabolites of exogenous origin. The initial positive in sample A, revealed at the end of May by the Voluntary Anti-Doping Association (VADA), had already turned on the alarms. Munguía and h…
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