Regina Tarin Debut
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Undefeated Regina Tarin steps in for UFC Mexico debut
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Mexican prospect Regina Tarin will make her UFC debut on short notice at UFC Mexico City after Sofia Montenegro withdrew from her fight against Ernesta Kareckaite. The bout has been set at a 130-pound catchweight. The event, scheduled for February 28, 2026, in Mexico City's Arena CDMX, has seen other changes including the main event.