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Joe Rogan stunned by Casey O’Neill’s outlandish first round armbar finish at UFC 331

Joe Rogan claimed he had never seen a submission like Casey O’Neill’s stunning armbar tonight in LA. ‘King’ O’Neill lifted Eduarda Moura off top position…

Bloodyelbow

Published: Saturday, 19 September 2026 at 11:32 PM

Key Things to Know

Casey O'Neill defeated Eduarda Moura via a first-round armbar submission at UFC 331 in Los Angeles.
O'Neill set up the submission by flipping Moura from the top position using only her legs.
The defeat marks the first time Eduarda Moura has been stopped in her professional career.

The Story in 60 Seconds

Scottish flyweight Casey O'Neill secured a stunning first-round armbar victory over Eduarda Moura at UFC 331 in Los Angeles. O'Neill lifted Moura from the top position and flipped her using only her legs to set up the submission in mid-air, forcing an immediate tap within three-and-a-half minutes. The victory marks Moura's first professional stoppage defeat.

UFC commentator Joe Rogan expressed amazement at the unique finish, questioning if such a submission had ever occurred in the UFC. With this victory, O'Neill is on a three-fight winning streak since returning from a two-year hiatus. Following the match, she called out Maycee Barber for her next fight.

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Joe Rogan stunned by Casey O’Neill’s outlandish first round armbar finish at UFC 331

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