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.
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
3.2
/ 10
0.5
/ 10
8.0
Style: Pressure
7.8
0.7
Style: Volume
0.5
1 KO wins
Finish Rate (strikes)
0 KO wins
Per-minute strike stats will populate after live card results are scraped
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
6.0
/ 10
8.0
/ 10
4.2
Wrestling Style (/10)
5.6
7.5
Submission Style (/10)
10.0
3
Submission wins
1
Per-fight takedown stats will populate after live card results are scraped
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 · Last 5
L · Sub · R2
Alice ArdeleanSubmission
UFC Fight Night: Allen vs. Costa · 2026-05
L · Sub · R2
Jaqueline AmorimSubmission
UFC Fight Night: Machado Garry vs. Prates · 2025-04
L · KO · R2
Gillian RobertsonKO/TKO
UFC 297: Strickland vs. Du Plessis · 2024-01
L · Sub · R2
Iasmin LucindoSubmission
UFC Fight Night: Luque vs. Dos Anjos · 2023-08
W · KO · R1
Jinh Yu FreyKO/TKO
UFC Fight Night: Rodriguez vs. Lemos · 2022-11
Martin · Last 4
L · Dec · R3
Cheyanne VlismasDecision
UFC Fight Night: Font vs. Aldo · 2021-12
L · Sub · R1
Polyana VianaSubmission
UFC 258: Usman vs. Burns · 2021-02
W · Sub · R2
Hannah CifersSubmission
UFC Fight Night: Smith vs. Rakic · 2020-08
L · Sub · R2
Virna JandirobaSubmission
UFC Fight Night: Overeem vs. Rozenstruik · 2019-12