UFC Fight Night: Blaydes vs. Lewis
Las Vegas, USA
20 Feb 2021
Heavyweight
VS
84%
Spivac
16%
Vanderaa
Win Probability
KO/TKO
Round 2 · 4:32
Serghei
Serghei Spivac
"Polar Bear"
186
6'3"78" reachOrthodox31 yrsWell-Rounded
CFR 45
JV
Jared Vanderaa
1210
Well-Rounded5-fight slide34 yrsOrthodox80" reach6'4"
CFR 8

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Spivac

Spivac is a strong favourite at 84% win probability per the CFR ratings. The data points decisively in one direction.

Key angles

The CFR gap of 37 points suggests a clear performance difference on paper.

Spivac has beaten significantly higher-quality opposition — a QoV edge of 22 points.

Striking split: Vanderaa throws more volume but Spivac connects at a higher rate — quality vs quantity.

Risk flags

Spivac's chin rating of 8 flags durability concerns based on KO history.

Vanderaa has a chin rating of 18 — a potential KO vulnerability.

Spivac
Vanderaa
Physical Matchup
Height · Reach · Age · Stance
6'3"
Height
+6'4"
78"
Reach
+80"
31+
Age
34
Orthodox
Stance
Orthodox
Spivac
Vanderaa
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
45.1
8.4
52.0
Performance Avg
20.7
47
Quality of Victory
25
33
Momentum Score
0
Spivac
Vanderaa
Striking
Significant strikes per minute & accuracy
1.8
2.0
50%
Strike Accuracy
45%
4.5
Striking Style Score (/10)
0.3
3 KOs
KO Finishes
0 KOs
Strike targetStrike target
36
Head
3
0
Body
0
0
Leg
0
RangeRange
2Distance3
0Clinch0
34Ground0
Spivac
Vanderaa
Grappling
Takedowns, submissions & wrestling
0.1
Sub Attempts / fight
3.5
Grappling Style Score (/10)
2.4
2.4
Wrestling Style Score (/10)
1.7
0:00
Control Time (this fight)
0:00
0
Reversals
0
Spivac
Vanderaa
Durability / Chin
Resilience against knockouts and stoppages
8
18
KO risk
Verdict
KO risk
4
KO/TKO Losses
3
0
Sub Losses
1
Avg R1.3 stoppage
KO round context
Avg R2.3 stoppage
2 fights ago
Last KO loss
1 fight ago
Strikes absorbed / min
15/24 fights
Chin rating based on
7/22 fights
Spivac
Vanderaa
Form & Momentum
Recent fight performance — most recent weighted 30%
33
0
Current form
5-fight 📉 slide
W · Dec · R3
L · Dec · R3
L · KO · R1
W · Sub · R1
L · KO · R2
Last 5
L · Dec · R3
L · KO · R3
L · Sub · R1
L · Dec · R3
L · KO · R2
Spivac
Vanderaa
Finish Rate
Percentage of wins by KO/TKO or Submission
67%
0%
3
KO / TKO Wins
0
3
Submission Wins
0
3
Decision Wins
1

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Spivac
Vanderaa
Striking4.5 / 0.3Volume3.9 / 8.3Grappling3.5 / 2.4Wrestling2.4 / 1.7Submission3.3 / 0.0Pressure6.5 / 0.4
Fighter 1
Fighter 2
4.5
Striking
KO power & stand-up volume
0.3
3.5
Grappling
Ground control & clinch
2.4
2.4
Wrestling
Takedown threat & defence
1.7
3.3
Submission
Submission attack frequency
0.0
6.5
Pressure
Clinch/ground work rate
0.4
3.9
Volume
Decision-pace fighting
8.3
Spivac
Strike Zones
Vanderaa
Spivac
Attacking
36HEAD0BODY0LEGS36 landed
Absorbing
3HEAD0BODY0LEGS3 absorbed
Vanderaa
Attacking
3HEAD0BODY0LEGS3 landed
Absorbing
36HEAD0BODY0LEGS36 absorbed
Targeting Overlap
🎯Spivac targets the head (100% of attacks) — Vanderaa absorbs 100% of strikes there
🎯Vanderaa targets the head (100% of attacks) — Spivac absorbs 100% of strikes there

Round by Round

This fight · per-round breakdown

Spivac
RND
Vanderaa
0/0R00/0

Spivac · QOF Timeline

Avg: 4.9
0101.5L5.7W5.9L4.5W5.2W4.5W3.9L5.0W5.4W6.2W3.9L5.4W3.3L7.0L5.5W2019-052021-022022-082025-012026-02
WinLossTrend

Vanderaa · QOF Timeline

Avg: 4.5
0103.3L6.1W3.5L6.2L1.5L4.0L7.0L2021-022021-102022-042022-10
WinLossTrend

Spivac · Last 5

W · Dec · R3
Ante DelijaRating 5.5
Decision
UFC Fight Night: Strickland vs. Hernandez · 2026-02
L · Dec · R3
Waldo Cortes AcostaRating 7
Decision
UFC 316: Dvalishvili vs. O'Malley 2 · 2025-06
L · KO · R1
Jailton AlmeidaRating 3.3
KO/TKO
UFC 311: Makhachev vs. Moicano · 2025-01
W · Sub · R1
Marcin TyburaRating 5.4
Submission
UFC Fight Night: Tybura vs. Spivac 2 · 2024-08
L · KO · R2
Ciryl GaneRating 3.9
KO/TKO
UFC Fight Night: Gane vs. Spivac · 2023-09

Vanderaa · Last 5

L · Dec · R3
Waldo Cortes AcostaRating 7
Decision
UFC Fight Night: Kattar vs. Allen · 2022-10
L · KO · R3
Chase ShermanRating 4
KO/TKO
UFC Fight Night: Dos Anjos vs. Fiziev · 2022-07
L · Sub · R1
Aleksei OleinikRating 1.5
Submission
UFC 273: Volkanovski vs. The Korean Zombie · 2022-04
L · Dec · R3
Andrei ArlovskiRating 6.2
Decision
UFC 271: Adesanya vs. Whittaker 2 · 2022-02
L · KO · R2
Alexandr RomanovRating 3.5
KO/TKO
UFC Fight Night: Dern vs. Rodriguez · 2021-10

News & Media

Serghei Spivac · Jared Vanderaa
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