1576RATING · 125 LB

Casey O'Neill

No. 9 at flyweight (women). 7–2 in the UFC since 2021.

Career and every weight

Pick a weight to see the rating there, the numbers, and how they compare with that division.

Career

Every UFC fight, at every weight (125 lb). Red is a dominant win (85 or more), blush any other win, grey a loss or draw. Ratings are kept weight by weight, in the other tabs; they do not compare across divisions. Opposition here is each opponent’s standing at their weight going in, as a percentile of everyone rated there that year.

125 lb20222023202420252026
7–2UFC record
5 of 7Dominant wins
88Average win score
46thOpposition, percentile
How the wins came3 KO/TKO 2 submission 2 decision
Finish rate71% of wins
Stopped in losses1 of 2
Knockdowns landed1
Average fight time9:54
Sig. strikes landed / absorbed per min7.6 / 5.4
Sig. strike accuracy52%
Takedowns per 15 min1.3
Control time24% of the fight
Best winEduarda Moura rated 1500 at 125 lb going in

Against the division

How Casey O'Neill’s UFC career compares with the careers of the 28 fighters on today’s flyweight board with 5 or more rated UFC fights, every weight counted. 100 is the best. Every flyweight leaderboard.

Dominant-win rateShare of wins scoring 85+
Needs 8 wins
Average win scoreOut of 100
100
87.6
Toughest oppositionOpponents' average standing at their weight going in, as a percentile
41
46th
Finish rateWins by KO or submission
100
71%
Strike differentialLanded minus absorbed, per minute
93
+2.24
Strikes landedSignificant strikes per minute
96
7.60
Hardest to hitFewest significant strikes absorbed per minute
4
5.36
TakedownsLanded per 15 minutes
48
1.35
ControlShare of fight time in control
67
24%
LowestMiddleBest

How the fights went

Every rated UFC fight, every weight. Tap a mark for the fight.

On the clock

5 of 7 wins inside the distance, 2 in round one. Stopped in 1 of 2 losses

When each fight ended. Wins above the line, losses below; decisions sit at the final bell.

KO or TKOSubmissionDecision
Round 1Round 2Round 3WinsLosses
Who they beat, and how

Best win: Eduarda Moura, rated 1500 at 125 lb. Dominant in 5 of 7 scored wins

Each fight's dominance score against how highly the opponent was rated at that weight going in, as a percentile of everyone rated there that year, so every weight shares one scale. Up and to the right is a dominant win over a strong opponent.

Dominant winWinLoss or draw
0255075100Weakest25th50th75thToughestOpponent’s standing at the weight going in, percentileDOMINANT 85+

125 lb

No. 9 of 34 active women ranked at flyweight, with a published rating of 1576 across 9 fights at the weight.

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Rating after every fight at 125 lb. The solid line is the published rating, the dashed line the best estimate; the shaded gap between them is still to prove. Tap a point for the fight.
7–2Record at 125 lb
5 of 7Dominant wins
88Average win score
1379Avg opponent rating
How the wins came3 KO/TKO 2 submission 2 decision
Finish rate71% of wins
Stopped in losses1 of 2
Knockdowns landed1
Average fight time9:54
Sig. strikes landed / absorbed per min7.6 / 5.4
Sig. strike accuracy52%
Takedowns per 15 min1.3
Control time24% of the fight
Best winEduarda Moura rated 1500 going in

Against the division

How Casey O'Neill’s fights at 125 lb compare with the fights at the weight of the 26 fighters on today’s flyweight (women) board with 5 or more fights there. 100 is the best.

Dominant-win rateShare of wins scoring 85+
Needs 8 wins
Average win scoreOut of 100
100
87.6
Toughest oppositionOpponents' average standing at their weight going in, as a percentile
40
46th
Finish rateWins by KO or submission
100
71%
Strike differentialLanded minus absorbed, per minute
92
+2.24
Strikes landedSignificant strikes per minute
96
7.60
Hardest to hitFewest significant strikes absorbed per minute
8
5.36
TakedownsLanded per 15 minutes
56
1.35
ControlShare of fight time in control
72
24%
LowestMiddleBest

How the fights went

Every rated UFC fight at 125 lb. Tap a mark for the fight.

On the clock

5 of 7 wins inside the distance, 2 in round one. Stopped in 1 of 2 losses

When each fight ended. Wins above the line, losses below; decisions sit at the final bell.

KO or TKOSubmissionDecision
Round 1Round 2Round 3WinsLosses
Who they beat, and how

Best win: Eduarda Moura, rated 1500 at 125 lb. Dominant in 5 of 7 scored wins

Each fight's dominance score against how highly the opponent was rated at that weight going in, as a percentile of everyone rated there that year, so every weight shares one scale. Up and to the right is a dominant win over a strong opponent.

Dominant winWinLoss or draw
0255075100Weakest25th50th75thToughestOpponent’s standing at the weight going in, percentileDOMINANT 85+

Every UFC fight

9 fights on record, newest first, at every weight. Score is the fight's dominance score out of 100, this fighter first; 85 or more is a dominant win.

DateResultScoreOpponentMethodRoundWeightEvent
19 Sep 2026Win86–14Eduarda MourasubmissionR1 3:22Women's FlyweightUFC 331: Van vs. Pantoja 2
28 Mar 2026Win92–8Gabriella FernandesKO/TKOR1 3:11Women's FlyweightUFC Fight Night: Adesanya vs. Pyfer
17 Aug 2024Win82–18Luana Santosunanimous decisionR3 5:00Women's FlyweightUFC 305: Du Plessis vs. Adesanya
16 Dec 2023Loss9–91Ariane da SilvasubmissionR2 1:18Women's FlyweightUFC 296: Edwards vs. Covington
18 Mar 2023Loss22–78Jennifer Maiaunanimous decisionR3 5:00Women's FlyweightUFC 286: Edwards vs. Usman 3
12 Feb 2022Win76–24Roxanne Modafferisplit decisionR3 5:00Women's FlyweightUFC 271: Adesanya vs. Whittaker 2
2 Oct 2021Win91–9Antonina ShevchenkoKO/TKOR2 4:47Women's FlyweightUFC Fight Night: Santos vs. Walker
19 Jun 2021Win92–8Lara ProcopiosubmissionR3 2:54Women's FlyweightUFC Fight Night: Jung vs. Ige
20 Feb 2021Win95–5Shana DobsonKO/TKOR2 3:41Women's FlyweightUFC Fight Night: Blaydes vs. Lewis