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Casey O'Neill vs. Eduarda Moura: UFC 331, Sep 19, 2026

UFC 331: Van vs. Pantoja 2 · Crypto.com Arena, Los Angeles, California, U.S.
Casey O'Neill6-2-0
SatSep 19Submission · R1Women's Flyweight
Eduarda Moura3-2-0
55.4% (Elo 1554)(Elo 1516) 44.6%

Result

Casey O'Neill wins by Submission (armbar)

round 1, 3:22

Pre-fight Elo gave Casey O'Neill 55.4%: correct

Elo prediction

Elo
Casey O'Neill 1554, Eduarda Moura 1516: a 38-point gap.
Form
Casey O'Neill won 3 of the last 5, Eduarda Moura won 3 of 5. Form is level.
Verdict
Casey O'Neill slightly favoured · Casey O'Neill 55.4% by Elo.
Casey O'Neill55.4%ELO44.6%Eduarda Moura
1554 · Pre-fight Elo · 1516

Common opponents

The two fighters have no common UFC opponents.

Recent form

Casey O'Neill · won 3 of last 5Eduarda Moura · won 3 of last 5
14501500155016002021202220232024202520262027Casey O'Neill 2021-02-20: 1515Casey O'Neill 2021-06-19: 1531Casey O'Neill 2021-10-02: 1545Casey O'Neill 2022-02-12: 1558Casey O'Neill 2023-03-18: 1540Casey O'Neill 2023-12-16: 1522Casey O'Neill 2024-08-18: 1539Casey O'Neill 2026-03-28: 1554Casey O'Neill 2026-09-19: 15681568Eduarda Moura 2023-11-04: 1515Eduarda Moura 2024-06-08: 1499Eduarda Moura 2024-11-16: 1515Eduarda Moura 2025-07-12: 1532Eduarda Moura 2026-02-07: 1516Eduarda Moura 2026-09-19: 15021502

Elo after each UFC fight, first to latest. Hollow dots are losses.

Casey O'Neill
Eduarda Moura

Tale of the tape

28Ageno data yet
167.6 cmHeightno data yet
no data yetReachno data yet
no data yetStanceno data yet
6-2-0UFC record3-2-0
1568Peak Elo1532

Records and Elo count UFC fights only.

Where to watch

Main card: Paramount+

Prelims: Paramount+

Early prelims: Paramount+

Per Wikipedia. eloline lists official broadcasters only.

More fights at UFC 331: Van vs. Pantoja 2

Full card »
Joshua Van vs. Alexandre PantojaDecisionArman Tsarukyan vs. Maurício RuffyKO/TKOPatrício Pitbull vs. Choi Doo-hoKO/TKOSean Sharaf vs. Gable StevesonKO/TKOAlonzo Menifield vs. Iwo BaraniewskiDecisionMarlon Vera vs. Charles JourdainKO/TKORobelis Despaigne vs. Tai TuivasaDecisionMichael Aswell Jr. vs. Yoo Joo-sangDecision

FAQ

When and where is UFC 331: Van vs. Pantoja 2?

Sat, Sep 19, 2026 at Crypto.com Arena, Los Angeles, California, U.S..

How many rounds is this fight?

Standard UFC fights are three rounds of five minutes.

How does eloline's Elo work?

Every fighter starts at 1500. Wins add points, losses take them away, and beating a stronger opponent adds more. The win probability comes from the pre-fight Elo gap. Only UFC fights are counted for now.

Source: Wikipedia: UFC 331 (CC BY-SA 4.0). Records and Elo count UFC fights only.