METRICS GUIDE
Every stat on this page, explained
All stats are calculated from official fight data. Style scores are Combatrics proprietary ratings updated after every event.
UFC 307: Pereira vs. Rountree Jr.
Salt Lake City, USA
5 Oct 2024
Women's Bantamweight
VS
36%
Vieira
64%
Harrison
Win Probability
Decision
Round 3 · 5:00
★ Official Result
Kayla HarrisonwinsDecisionR3 · 5:00
def. Ketlen Vieira · UFC 307: Pereira vs. Rountree Jr.
Fight Report
Pre-fight analysis · prediction vs result
Prediction vs Result
We predicted
Harrison
→
Actual result
Harrison wins
Decision · R3
Pre-fight analysis
Harrison holds a meaningful edge at 64% per the CFR ratings — but Vieira has real paths to victory.
Key angles
The CFR gap of 35 points suggests a clear performance difference on paper.
Harrison has beaten significantly higher-quality opposition — a QoV edge of 24 points.
This Fight — Statistics
Actual stats from this bout
VieiraHarrison
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Vieira
Harrison
Physical Matchup
Height · Reach · Age · Stance
5'8"
Height
5'8"
68"+
Reach
66"
35+
Age
36
Orthodox
Stance
Southpaw
Vieira
Harrison
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
43.0
77.9
44.8
Performance Avg
72.5
30
Quality of Victory
54
45
Momentum Score
100
Vieira
Harrison
Striking
Career averages · see This Fight stats above
1.3
/ 10
2.0
/ 10
2.7
Style: Pressure
7.7
8.5
Style: Volume
4.7
0 KO wins
Finish Rate (strikes)
0 KO wins
Per-minute strike stats will populate after live card results are scraped
Strike targetStrike target
3
Head
19
1
Body
1
1
Leg
3
RangeRange
5Distance6
0Clinch0
0Ground17
Vieira
Harrison
Grappling
Career averages · see This Fight stats above
3.0
/ 10
6.1
/ 10
2.1
Wrestling Style (/10)
4.3
1.0
Submission Style (/10)
6.7
1
Submission wins
2
Per-fight takedown stats will populate after live card results are scraped
Vieira
Harrison
Durability / Chin
Resilience against knockouts and stoppages
70
100
Moderate
Verdict
Never stopped
1
KO/TKO Losses
0
0
Sub Losses
0
Avg R1.0 stoppage
KO round context
—
10 fights ago
Last KO loss
—
—
Strikes absorbed / min
—
15/21 fights
Chin rating based on
4/20 fights
Vieira
Harrison
Form & Momentum
Recent fight performance — most recent weighted 30%
45
100
Current form
3-fight 🔥 win streak
W · Dec · R3
L · Dec · R3
W · Dec · R3
L · Dec · R3
W · Dec · R3
Last 5
Upcoming
W · Sub · R2
W · Dec · R3
W · Sub · R2
Vieira
Harrison
Finish Rate
Percentage of wins by KO/TKO or Submission
10%
67%
0
KO / TKO Wins
0
1
Submission Wins
2
9
Decision Wins
1
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Vieira
Harrison
Fighter 1
Fighter 2
1.3
Striking
KO power & stand-up volume
2.0
3.0
Grappling
Ground control & clinch
6.1
2.1
Wrestling
Takedown threat & defence
4.3
1.0
Submission
Submission attack frequency
6.7
2.7
Pressure
Clinch/ground work rate
7.7
8.5
Volume
Decision-pace fighting
4.7
VieiraHarrison
Strike Zones
Vieira
Attacking
5 landedAbsorbing
23 absorbedHarrison
Attacking
23 landedAbsorbing
5 absorbedTargeting Overlap
🎯Vieira targets the head (60% of attacks) — Harrison absorbs 60% of strikes there
🎯Harrison targets the head (83% of attacks) — Vieira absorbs 83% of strikes there
Round by Round
This fight · per-round breakdown
Vieira
RND
Harrison
0/0R00/0
Vieira · Last 5
W · Dec · R3
Jacqueline CavalcantiDecision
UFC Fight Night: Allen vs. Costa · 2026-05
L · Dec · R3
Norma DumontDecision
UFC Fight Night: Garcia vs. Onama · 2025-11
W · Dec · R3
Macy ChiassonDecision
UFC Fight Night: Blanchfield vs. Barber · 2025-05
L · Dec · R3
Kayla HarrisonDecision
UFC 307: Pereira vs. Rountree Jr. · 2024-10
W · Dec · R3
Pannie KianzadDecision
UFC Fight Night: Aspinall vs. Tybura · 2023-07
Harrison · Last 4
Upcoming
Amanda NunesUFC 334: Gane vs. Hokit · 2026-11
W · Sub · R2
Julianna PenaSubmission
UFC 316: Dvalishvili vs. O'Malley 2 · 2025-06
W · Dec · R3
Ketlen VieiraDecision
UFC 307: Pereira vs. Rountree Jr. · 2024-10
W · Sub · R2
Holly HolmSubmission
UFC 300: Pereira vs. Hill · 2024-04