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Casey O'Neill wins by armbar

The gist

Casey O'Neill submitted Eduarda Moura by armbar at 3:22 of Round 1 at UFC 331.
The finish, a rare helicopter armbar, moved O'Neill to a three-fight win streak.

How it unfolded

  1. Sep 19, 2026Casey O'Neill defeated Eduarda Moura by submission (armbar) at 3:22 of Round 1 in a women's flyweight bout on the prelims of UFC 331 at Crypto.com Arena in Los Angeles.
  2. Sep 19, 2026O'Neill (12-2 MMA, 7-2 UFC) extended her winning streak to three, including wins over Luana Santos and Gabriella Fernandes.
  3. Sep 19, 2026Moura (12-3 MMA, 3-3 UFC) left with her third career loss and back-to-back defeats, having entered on a loss to upcoming title challenger Wang Cong.

Sources

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