Casey O'Neill – Eduarda Moura

Fighters' momentum

Women’s flyweight MMA fight, scheduled for three rounds at UFC 331 on September 19, 2026, featuring Casey O’Neill and Eduarda Moura. Available data indicate UFC records of 6-2 for O’Neill and 3-2 for Moura, updated on August 22, 2026, by FightingData.

O’Neill is coming off a TKO victory over Gabriella Fernandes on March 28, 2026, after an absence of approximately nineteen months; Moura lost by decision to Wang Cong on February 7, 2026. The provided time is 22:15 UTC, but the exact time she enters the cage depends on the duration of the preceding fights.

Head-to-head

No previous matchup between Casey O’Neill and Eduarda Moura is reported by FightingData. The absence of a direct bout prevents any comparison based on their past opposition; the analysis therefore relies on their documented fights and styles, with sometimes limited statistical samples.

Preparation and physical condition

No current injury, medical stoppage, or physical limitation was confirmed before the fight. The official weigh-in and medical status on the day are unknown; the absence of information does not confirm the absence of an injury.

Context & news

Scenario favorable to O’Neill: she averages 7,89 significant strikes landed per minute compared with 2,63 for Moura, with 52,2 % accuracy compared with 37,7 %, according to une source spécialisée data aggregated by FightingData as of August 22, 2026. Her takedown défense is listed at 70 % across 20 opponent attempts.

Pressure, volume, and the announced reach advantage of 69 inches against 67 could keep Moura at a distance and limit her wrestling entries. Scenario favorable to Moura: she averages 3,57 successful takedowns per 15 minutes and approximately 80 % takedown défense, but the latter figure is based on only ten attempts faced.

Her victories over Veronica Hardy and Lauren Murphy included control phases and several takedowns, and five submission victories are recorded in her professional record published by FightingData. Her entries against the cage, top control, and a back take could neutralize O’Neill’s volume.

However, her takedowns against Denise Gomes and Wang Cong did not prevent two decision losses. No home advantage is assigned to O’Neill.

Matchup and opponent

The two announced fighters are Casey O’Neill and Eduarda Moura. The fight is scheduled for three rounds at women’s flyweight at UFC 331.

No opponent replacement has been confirmed. The official weigh-in for this event is not documented in the file.