UFC Fight Night: Blaydes vs. Lewis
Las Vegas, USA
20 Feb 2021
Women's Bantamweight
VS
53%
Vieira
47%
Santos
Win Probability
Decision
Round 3 · 5:00
Ketlen
Ketlen Vieira
"Fenomeno"
16 – 5
5'8"68" reachOrthodox34 yrsWell-Rounded
CFR 42
Yana
Yana Santos
17 – 8
Well-Rounded3-fight win streak36 yrsOrthodox68" reach5'6"
CFR 37

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Vieira

This is a genuine toss-up — Vieira at 53% vs Santos at 47% (CFR ratings). One of the hardest fights to call on the card.

Key angles

Santos has the striking edge in both volume and accuracy.

Risk flags

Santos has a chin rating of 30 — a potential KO vulnerability.

Vieira
Santos
Physical Matchup
Height · Reach · Age · Stance
5'8"+
Height
5'6"
68"
Reach
68"
34+
Age
36
Orthodox
Stance
Orthodox
Vieira
Santos
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
42.2
37.0
43.7
Performance Avg
38.3
28
Quality of Victory
25
45
Momentum Score
55
Vieira
Santos
Striking
Significant strikes per minute & accuracy
0.9
1.1
41%
Strike Accuracy
47%
1.3
Striking Style Score (/10)
1.2
0 KOs
KO Finishes
0 KOs
Strike targetStrike target
0
Head
1
0
Body
3
0
Leg
3
RangeRange
0Distance4
0Clinch0
0Ground3
Vieira
Santos
Grappling
Takedowns, submissions & wrestling
3.0
/ 10
2.4
/ 10
2.1
Wrestling Style (/10)
1.7
1.0
Submission Style (/10)
0.0
1
Submission wins
0
Per-fight takedown stats will populate after live card results are scraped
Vieira
Santos
Durability / Chin
Resilience against knockouts and stoppages
70
30
Moderate
Verdict
KO risk
1
KO/TKO Losses
3
0
Sub Losses
0
Avg R1.0 stoppage
KO round context
Avg R1.7 stoppage
10 fights ago
Last KO loss
5 fights ago
—
Strikes absorbed / min
—
15/21 fights
Chin rating based on
12/25 fights
Vieira
Santos
Form & Momentum
Recent fight performance — most recent weighted 30%
45
55
Current form
3-fight 🔥 win streak
W · Dec · R3
L · Dec · R3
W · Dec · R3
L · Dec · R3
W · Dec · R3
Last 5
W · Dec · R3
W · Dec · R3
W · Dec · R3
L · Dec · R3
L · Dec · R3
Vieira
Santos
Finish Rate
Percentage of wins by KO/TKO or Submission
10%
0%
0
KO / TKO Wins
0
1
Submission Wins
0
9
Decision Wins
7

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Vieira
Santos
Striking1.3 / 1.2Volume8.5 / 9.2Grappling3.0 / 2.4Wrestling2.1 / 1.7Submission1.0 / 0.0Pressure2.7 / 1.8
Fighter 1
Fighter 2
1.3
Striking
KO power & stand-up volume
1.2
3.0
Grappling
Ground control & clinch
2.4
2.1
Wrestling
Takedown threat & defence
1.7
1.0
Submission
Submission attack frequency
0.0
2.7
Pressure
Clinch/ground work rate
1.8
8.5
Volume
Decision-pace fighting
9.2
Vieira
Strike Zones
Santos
Vieira
Attacking
0HEAD0BODY0LEGS0 landed
Absorbing
1HEAD3BODY3LEGS7 absorbed
Santos
Attacking
1HEAD3BODY3LEGS7 landed
Absorbing
0HEAD0BODY0LEGS0 absorbed
Targeting Overlap
🎯Santos targets the body (43% of attacks) — Vieira absorbs 43% of strikes there

Round by Round

This fight · per-round breakdown

Vieira
RND
Santos
0/0R00/0

Vieira · QOF Timeline

Avg: 5.1
0104.5W4.5W5.2W4.5W2.3L4.5W5.6L5.4W4.6W6.1L4.5W7.6L5.8W6.0L5.4W2016-102019-122022-052025-052026-05
WinLossTrend

Santos · QOF Timeline

Avg: 4.5
0101.5L4.5W4.5W4.0L4.8W4.9W2.3L5.6L6.2L5.0W5.4W5.8W2018-032019-122021-072024-082025-10
WinLossTrend

Vieira · Last 5

W · Dec · R3
Jacqueline CavalcantiRating 5.4
Decision
UFC Fight Night: Allen vs. Costa · 2026-05
L · Dec · R3
Norma DumontRating 6
Decision
UFC Fight Night: Garcia vs. Onama · 2025-11
W · Dec · R3
Macy ChiassonRating 5.8
Decision
UFC Fight Night: Blanchfield vs. Barber · 2025-05
L · Dec · R3
Kayla HarrisonRating 7.6
Decision
UFC 307: Pereira vs. Rountree Jr. · 2024-10
W · Dec · R3
Pannie KianzadRating 4.5
Decision
UFC Fight Night: Aspinall vs. Tybura · 2023-07

Santos · Last 5

W · Dec · R3
Macy ChiassonRating 5.8
Decision
UFC 320: Ankalaev vs. Pereira 2 · 2025-10
W · Dec · R3
Miesha TateRating 5.4
Decision
UFC Fight Night: Sandhagen vs. Figueiredo · 2025-05
W · Dec · R3
Chelsea ChandlerRating 5
Decision
UFC Fight Night: Tybura vs. Spivac 2 · 2024-08
L · Dec · R3
Karol RosaRating 6.2
Decision
UFC Fight Night: Strickland vs. Magomedov · 2023-07
L · Dec · R3
Holly HolmRating 5.6
Decision
UFC Fight Night: Vera vs. Sandhagen · 2023-03

News & Media

Ketlen Vieira · Yana Santos
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