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Casey O’Neill Secures Comeback Submission Over Eduarda Moura at UFC 331

By MMAReign News Desk·Sep 19, 2026 • 11:01 PM

Casey O’Neill rallied from an early submission scare to defeat Eduarda Moura via armbar at UFC 331 in Los Angeles.

Flyweight prospect Casey O’Neill re-established her standing in the division at UFC 331 on Saturday in Los Angeles, securing a comeback victory over Eduarda Moura. The contest showcased O’Neill’s resilience as she navigated significant early danger.

Moura presented an immediate challenge to O’Neill, placing the flyweight contender in a precarious position by nearly securing a choke in the early stages of the bout. Despite the pressure, O’Neill managed to survive the sequence and execute a reversal, shifting the momentum entirely in her favor.

After turning the tide, O’Neill capitalized on the opportunity to transition into a finishing sequence, ultimately forcing a tap from Moura via armbar. The victory serves as a significant statement for O’Neill, reaffirming her status as a legitimate darkhorse contender in a highly competitive flyweight division. With this performance, O’Neill demonstrated both her defensive fortitude and her technical proficiency on the ground under high-pressure circumstances.


Source: MMA Fighting.

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