Casey O'Neill vs Eduarda MouraWomen's Flyweight at UFC 331: Van vs Pantoja

Upcoming·UFC 331: Van vs Pantoja·Saturday, September 19, 2026
Casey O'Neill
11-2W2
Stance
Orthodox
vs
Eduarda Moura
12-2
Stance
Orthodox
Weight class
Women's Flyweight
Rounds
3 × 5 min
Venue
Crypto.com Arena · Los Angeles

Matchup read

Where each fighter holds an edge — offense against the opponent's defense.

Striking
◂ O'Neill

O'Neill out-strikes Moura

Effective offense
A+
97th
4.1
+86
F
11th
1.0
Defense
D
39th
57%
+40
A
79th
58%
KO power
D
4 KO
0.1 KD
Even
D
4 KO
0.0 KD
See full Striking
Wrestling
Moura ▸

Moura has the bigger wrestling edge on O'Neill

Takedowns landed
B
59th
1.4
+38
A+
97th
3.6
Takedown accuracy
D
40th
35%
Even
D
37th
33%
Takedown defense
B
62nd
70%
+12
A
74th
80%
Control time
B
69th
3.8 min
+23
A+
92nd
6.2 min
See full Grappling
Submission
Even

Both real submission threats

Submission attempts
A
75th
0.7
+34
D
41st
0.2
Sub win rate
C
53rd
18%
2 subs
+26
A
79th
42%
5 subs
Submission defense
D
38th
8%
+10
C
48th
0%
See full Grappling
Finishing
◂ O'Neill

O'Neill is more likely to finish Moura

Finish rate
A
77th
67%
+24
C
53rd
33%
KO durability
D
41st
0%
Even
D
41st
0%
Submission defense
D
28th
13%
+20
C
48th
0%
See full Finishes
Pace
◂ O'Neill

O'Neill pushes the higher work rate over the fight — O'Neill's pace builds while Moura's fades

Work rate / min — full fight
9.9
6.4
Work rate / min — rounds 1–2
9.6
7.0
Pace trend
+10%/rd
-13%/rd
See full Pace
Form
◂ O'Neill

O'Neill is in better recent form than Moura

Win rate (career)
75%
60%
After a win
80%
33%
Last 5
60%
Even
60%
Win streakW2L1
See full Form
Schedule
◂ O'Neill

O'Neill has faced the tougher schedule vs Moura

Schedule strength
56%
45%
Win quality
69%
51%
Ranked opponents
5
1
Title-holder bouts
0
Even
0
See full Schedule
Activity
Even

Similar activity going in

Last bout
5mo
7mo
Bouts, last 12 mo
1
Even
1
Bouts, last 24 mo
1
3
See full Activity
Tale of the tape
◂ O'Neill

O'Neill 2" reach · O'Neill 3 cm · O'Neill 4y younger · Closed-stance matchup

28
Age
4y
younger
32
5'6"
168cm
Height
1"
taller
5'5"
165cm
69"
175cm
Reach
2"
reach
67"
170cm
Edge sizeSlightNotableMajor
See full Tale of the tape

Core metrics

Each fighter's career rates as a division percentile.

Casey O'NeillEduarda Moura
StrikingAccuracyDefenseTakedownsTD defenseSubmissions
Percentile
Striking/min7.892.57
Accuracy%52%37%
Defense%57%58%
Takedowns/151.43.6
TD defense%70%80%
Submissions/150.70.4

Career rate as a percentile within the women's flyweight (74 fighters) — further right is better. Descriptive research, not a prediction.

Pre-UFC opposition
non-UFC slate for Eduarda Moura, from opponents’ full pro records
Eduarda Moura
Developmental
Opponents' combined record
23-42-1
.354 win rate
Winning-record opponents
0 of 8
carried winning pro records
Pro bouts faced
8
all opponents have records on file

A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.