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 258: Usman vs. Burns
Las Vegas, USA
13 Feb 2021
Women's Strawweight
VS
60%
Viana
40%
Martin
Win Probability
Submission
Round 1 · 3:18
★ Official Result
Polyana VianawinsSubmissionR1 · 3:18
def. Mallory Martin · UFC 258: Usman vs. Burns
Fight Report
Pre-fight analysis · prediction vs result
Prediction vs Result
We predicted
Viana
→
Actual result
Viana wins
Submission · R1
Pre-fight analysis
Viana holds a meaningful edge at 60% per the CFR ratings — but Martin has real paths to victory.
Key angles
The CFR gap of 14 points suggests a clear performance difference on paper.
Martin has the striking edge in both volume and accuracy.
Risk flags
Viana's chin rating of 24 flags durability concerns based on KO history.
This Fight — Statistics
Actual stats from this bout
VianaMartin
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Viana
Martin
Physical Matchup
Height · Reach · Age · Stance
5'5"+
Height
5'4"
67"+
Reach
63"
34
Age
+32
Orthodox
Stance
Orthodox
Viana
Martin
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
40.1
26.6
46.6
Performance Avg
39.7
56
Quality of Victory
50
0
Momentum Score
43
Viana
Martin
Striking
Career averages · see This Fight stats above
1.2
1.5
39%
Strike Accuracy
46%
3.2
Striking Style Score (/10)
0.5
1 KOs
KO Finishes
0 KOs
Strike targetStrike target
0
Head
1
3
Body
4
1
Leg
0
RangeRange
4Distance5
0Clinch0
0Ground0
Viana
Martin
Grappling
Career averages · see This Fight stats above
—
—
0.2
Sub Attempts / fight
—
6.0
Grappling Style Score (/10)
8.0
4.2
Wrestling Style Score (/10)
5.6
0:00
Control Time (this fight)
0:00
0
Reversals
0
Viana
Martin
Durability / Chin
Resilience against knockouts and stoppages
24
74
KO risk
Verdict
Never stopped
1
KO/TKO Losses
0
4
Sub Losses
2
Avg R2.0 stoppage
KO round context
—
2 fights ago
Last KO loss
—
—
Strikes absorbed / min
—
12/22 fights
Chin rating based on
4/12 fights
Viana
Martin
Form & Momentum
Recent fight performance — most recent weighted 30%
0
43
4-fight 📉 slide
Current form
2-fight 📉 slide
L · Sub · R2
L · Sub · R2
L · KO · R2
L · Sub · R2
W · KO · R1
Last 5
L · Dec · R3
L · Sub · R1
W · Sub · R2
L · Sub · R2
Viana
Martin
Finish Rate
Percentage of wins by KO/TKO or Submission
100%
100%
1
KO / TKO Wins
0
3
Submission Wins
1
0
Decision Wins
0
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Viana
Martin
Fighter 1
Fighter 2
3.2
Striking
KO power & stand-up volume
0.5
6.0
Grappling
Ground control & clinch
8.0
4.2
Wrestling
Takedown threat & defence
5.6
7.5
Submission
Submission attack frequency
10.0
8.0
Pressure
Clinch/ground work rate
7.8
0.7
Volume
Decision-pace fighting
0.5
VianaMartin
Strike Zones
Viana
Attacking
4 landedAbsorbing
5 absorbedMartin
Attacking
5 landedAbsorbing
4 absorbedTargeting Overlap
🎯Viana targets the body (75% of attacks) — Martin absorbs 75% of strikes there
🎯Martin targets the body (80% of attacks) — Viana absorbs 80% of strikes there
Round by Round
This fight · per-round breakdown
Viana
RND
Martin
0/0R00/0
Viana · QOF Timeline
Avg: 4.6WinLossTrend
Martin · QOF Timeline
Avg: 4.0WinLossTrend
Viana · Last 5
L · Sub · R2
Alice ArdeleanRating 3.5Submission
UFC Fight Night: Allen vs. Costa · 2026-05
L · Sub · R2
Jaqueline AmorimRating 4.6Submission
UFC Fight Night: Machado Garry vs. Prates · 2025-04
L · KO · R2
Gillian RobertsonRating 4KO/TKO
UFC 297: Strickland vs. Du Plessis · 2024-01
L · Sub · R2
Iasmin LucindoRating 3.7Submission
UFC Fight Night: Luque vs. Dos Anjos · 2023-08
W · KO · R1
Jinh Yu FreyRating 5KO/TKO
UFC Fight Night: Rodriguez vs. Lemos · 2022-11
Martin · Last 4
L · Dec · R3
Cheyanne VlismasRating 5.6Decision
UFC Fight Night: Font vs. Aldo · 2021-12
L · Sub · R1
Polyana VianaRating 1.8Submission
UFC 258: Usman vs. Burns · 2021-02
W · Sub · R2
Hannah CifersRating 5.2Submission
UFC Fight Night: Smith vs. Rakic · 2020-08
L · Sub · R2
Virna JandirobaRating 3.5Submission
UFC Fight Night: Overeem vs. Rozenstruik · 2019-12