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 Fight Night: Iaquinta vs. Cowboy
Ottawa, Canada
4 May 2019
Heavyweight
VS
30%
Harris
70%
Spivac
Win Probability
KO/TKO
Round 1 · 0:50
WH
Walt Harris
"The Big Ticket"
1310
6'5"77" reachSouthpaw43 yrs3-fight slideKnockout Artist
CFR 19
Serghei
Serghei Spivac
"Polar Bear"
186
Well-Rounded31 yrsOrthodox78" reach6'3"
CFR 44
★ Official Result
Walt HarriswinsKO/TKOR1 · 0:50
def. Serghei Spivac · UFC Fight Night: Iaquinta vs. Cowboy

Fight Report

Pre-fight analysis · prediction vs result

Prediction vs Result
We predicted
Spivac
Actual result
Harris wins
KO/TKO · R1
Pre-fight analysis

Spivac is a strong favourite at 70% win probability per the CFR ratings. The data points decisively in one direction.

Key angles

The CFR gap of 25 points suggests a clear performance difference on paper.

Harris has beaten significantly higher-quality opposition — a QoV edge of 12 points.

Risk flags

Harris's chin rating of 0 flags durability concerns based on KO history.

Spivac has a chin rating of 6 — a potential KO vulnerability.

This Fight — Statistics

Actual stats from this bout
HarrisSpivac
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
Strike Accuracy
Harris
Spivac
Physical Matchup
Height · Reach · Age · Stance
6'5"+
Height
6'3"
77"
Reach
+78"
43
Age
+31
Southpaw
Stance
Orthodox
Harris
Spivac
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
18.9
44.1
51.0
Performance Avg
50.5
58
Quality of Victory
47
65
Momentum Score
33
Harris
Spivac
Striking
Career averages · see This Fight stats above
10.0
/ 10
4.5
/ 10
8.2
Style: Pressure
6.3
0.8
Style: Volume
3.8
6 KO wins
Finish Rate (strikes)
3 KO wins
Per-minute strike stats will populate after live card results are scraped
Strike targetStrike target
17
Head
0
0
Body
0
0
Leg
1
RangeRange
9Distance1
3Clinch0
5Ground0
Harris
Spivac
Grappling
Career averages · see This Fight stats above
0.0
/ 10
3.5
/ 10
0.0
Wrestling Style (/10)
2.4
0.0
Submission Style (/10)
3.3
0
Submission wins
3
Per-fight takedown stats will populate after live card results are scraped
Harris
Spivac
Durability / Chin
Resilience against knockouts and stoppages
0
6
3 consec. KOs
Verdict
KO risk
5
KO/TKO Losses
4
1
Sub Losses
0
Avg R1.6 stoppage
KO round context
Avg R1.3 stoppage
Most recent fight
Last KO loss
3 fights ago
Strikes absorbed / min
16/23 fights
Chin rating based on
16/24 fights
Harris
Spivac
Form & Momentum
Recent fight performance — most recent weighted 30%
65
33
3-fight 📉 slide
Current form
L · KO · R1
L · KO · R2
L · KO · R2
W · KO · R1
W · KO · R1
Last 5
L · Dec · R3
W · Dec · R3
L · Dec · R3
L · KO · R1
W · Sub · R1
Harris
Spivac
Finish Rate
Percentage of wins by KO/TKO or Submission
100%
67%
6
KO / TKO Wins
3
0
Submission Wins
3
0
Decision Wins
3

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Harris
Spivac
Striking10.0 / 4.5Volume0.8 / 3.8Grappling0.0 / 3.5Wrestling0.0 / 2.4Submission0.0 / 3.3Pressure8.2 / 6.3
Fighter 1
Fighter 2
10.0
Striking
KO power & stand-up volume
4.5
0.0
Grappling
Ground control & clinch
3.5
0.0
Wrestling
Takedown threat & defence
2.4
0.0
Submission
Submission attack frequency
3.3
8.2
Pressure
Clinch/ground work rate
6.3
0.8
Volume
Decision-pace fighting
3.8
Harris
Strike Zones
Spivac
Harris
Attacking
17HEAD0BODY0LEGS17 landed
Absorbing
0HEAD0BODY1LEGS1 absorbed
Spivac
Attacking
0HEAD0BODY1LEGS1 landed
Absorbing
17HEAD0BODY0LEGS17 absorbed
Targeting Overlap
🎯Harris targets the head (100% of attacks) — Spivac absorbs 100% of strikes there
🎯Spivac targets the legs (100% of attacks) — Harris absorbs 100% of strikes there

Round by Round

This fight · per-round breakdown

Harris
RND
Spivac
0/0R00/0
0/0R10/0

Harris · Last 5

L · KO · R1
Marcin Tybura
KO/TKO
UFC Fight Night: Rozenstruik vs. Sakai · 2021-06
L · KO · R2
Alexander Volkov
KO/TKO
UFC 254: Khabib vs. Gaethje · 2020-10
L · KO · R2
Alistair Overeem
KO/TKO
UFC Fight Night: Overeem vs. Harris · 2020-05
W · KO · R1
Aleksei Oleinik
KO/TKO
UFC Fight Night: Dos Anjos vs. Edwards · 2019-07
W · KO · R1
Serghei Spivac
KO/TKO
UFC Fight Night: Iaquinta vs. Cowboy · 2019-05

Spivac · Last 5

L · Dec · R3
Vitor Petrino
Decision
UFC Fight Night: Hernandez vs. Rodrigues · 2026-08
W · Dec · R3
Ante Delija
Decision
UFC Fight Night: Strickland vs. Hernandez · 2026-02
L · Dec · R3
Waldo Cortes Acosta
Decision
UFC 316: Dvalishvili vs. O'Malley 2 · 2025-06
L · KO · R1
Jailton Almeida
KO/TKO
UFC 311: Makhachev vs. Moicano · 2025-01
W · Sub · R1
Marcin Tybura
Submission
UFC Fight Night: Tybura vs. Spivac 2 · 2024-08

News & Media

Walt Harris · Serghei Spivac
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