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Breaking: Stamp Fairtex Relinquishes ONE Atomweight Title Due to Injury, ONE 173 in Denver Rescheduled for 2026

Stamp Fairtex is no longer the ONE atomweight world champion.

On Thursday, ONE Championship announced that Stamp has officially withdrawn from her scheduled title unification clash with interim atomweight titleholder Denice Zamboanga. The bout was expected to headline ONE 173 on Friday, August 1, at Ball Arena in ‘The Mile High City,’ Denver, Colorado.

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Breaking: Stamp Fairtex Relinquishes ONE Atomweight Title Due to Injury, ONE 173 in Denver Rescheduled for 2026 2

Unfortunately, that is no longer the case.

Weeks before she was to fight Zamboanga at ONE 167 in June 2024, Stamp was forced to bow out of the bout after tearing her meniscus while training.