Fighter Profile›Heavyweight

“Polar Bear”

Serghei Spivac

18-615 UFC

Wrestler

Form

3× Title

3× 5R

High Variance

Early Chaos

Output Builds Late

High Wear

6'3"ht·78"reach·Orthodoxstance·31age

Last fightWAnte Delija·U-DEC·R3·2mo ago

Fighter Context

9–6UFC·

3KO

3Sub

3Dec

8.4min/fight

126UFC min

vs. Winning-Record Opps

7–4(11 fights)

86%finish rate

-0.6str diff/min

vs. Veteran Opps

3–2(5 fights)

67%finish rate

-1.3str diff/min

CQ Key Stats

Striking Differential

-0.66

Deficit

22%ile

Significant strikes landed per minute minus strikes absorbed per minute. Positive values indicate a net striking advantage.

Adj. TD Threat

0.751

Elite

93%ile

CageQuant derived signal for measuring takedown offense adjusted for average division opponents.

Durability

Low

26%ile

CageQuant derived signal that measures how well a fighter holds up to damage. Based on stoppage history and knockdowns absorbed over their career.

Round Win Rate

52%

Average

46%ile

CageQuant derived signal. Completed rounds won, scored by CageQuant's proprietary formula rather than official judging.

Striking

Spivac

Ground & Pound

Head Hunter

Heavyweight avg

Sig. Strikes / Min3.57

Str. Accuracy47%

448UFC landed/938attempted

Sig. Absorbed / min

+0.6 vs avg4.23

Str. Defense52%

KD Rate / fight0.00

KD Absorbed / fight0.13

Strike Distribution

By Target

Head

94%

Body

Leg

By Position

Distance61%

Clinch4%

Ground35%

Sig. Strikes by Round

	Round 115 rounds	Round 29 rounds	Round 35 rounds
Avg. Landed	12	19	20
Avg. Absorbed	17	19	21
Avg. Net	-6	+1	-1

Grappling

Spivac

G&P Threat

·165s ctrlActive Control

Heavyweight avg

Offense

TD Landed / 15 Min3.82

TD Attempts / 15 MinUFC ONLY6.45

TD Accuracy59%

32UFC landed/54attempted

Sub Attempts / 15 Min0.50

3UFC wins/4attempted

Defense

Solid TD Def

TD Defense63%

7UFC defended/11opp. attempts

Sub Defense

Escaped Once

Finishing

Finish Rate

67%

Strong Finisher

div avg 68%

How They Lose

6UFC losses

Win Breakdown

KO / TKO3 / 9

Submission3 / 9

Decision3 / 9

Loss Breakdown

KO / TKO4 / 6

Submission0 / 6

Decision2 / 6

Loss Pattern

4 of 6 losses by finish in R1–R2

Fast and versatile. 6 of 6 finishes inside R1-R2, by both KO and submission

Finish Round Distribution

KO/TKO W

KO/TKO L

SUB W

Cards & Decisions

Recovery Rate

—

More data needed.

Decision Margin

1.3pts

W3 dec

2.0pts

L2 dec

field avg 1.95 pts

Decision Types

4UD

0SD

1MD

Career Trajectory

Win

Loss

D/NC

Elite opp (15+ wins)

Veteran opp (8+ wins)

sig. strikes trending down. Averaging 10 less in second half of career

15 UFC fights · hover for details · colored line = 3-fight rolling avg

Pace & Cardio

Output Builds Late

Output

Absorbed

Diff

R1n=15

R2n=9

R3n=5

Outputsig strikes / min

2.9

4.3

4.0

Absorbedsig strikes / min

4.3

4.2

4.1

Diff

-1.4

+0.2

-0.1

Per-round averages across career · partial final rounds included at actual elapsed time · rounds below 5 min. career total suppressed · dashed lines = division avg

Last 8 Fights — Trend

KD Abs

▲Absorbed+63%L3

Last 8 UFC fights · Absorbed & Strike Diff = index vs career avg (1.0 = avg, 0 = breakeven) · Orange dots = KDs absorbed

Elite oppVeteran opp

Spivac — 15 UFC Fights

Result

Method

15 fights

Ante Delija

U-DEC R3Feb '26

·67 SS (45%)·61 abs·1/4 td·180s ctrl

Waldo Cortes Acosta

U-DEC R3Jun '25

-62

·48 SS (40%)·110 abs·2/6 td·145s ctrl

Jailton AlmeidaVeteran

KO/TKO R1 · 4:53Jan '25

-8

·15 SS (54%)·23 abs·1/1 td·1 td taken·128s ctrl

Marcin TyburaVeteran

TITLE

SUB R1 · 1:44Aug '24

·3 SS (60%)·1/1 td·34s ctrl·1 sub att

Ciryl GaneVeteran

TITLE

KO/TKO R2 · 3:44Sep '23

-98

·11 SS (25%)·109 abs·0/1 td

Derrick LewisElite

TITLE

SUB R1 · 3:05Feb '23

+12

·12 SS (57%)·6/8 td·152s ctrl·1 sub att

Augusto Sakai

KO/TKO R2 · 3:42Aug '22

+25

·33 SS (67%)·8 abs·6/8 td·397s ctrl·1 sub att

Greg Hardy

KO/TKO R1 · 2:16Mar '22

·14 SS (52%)·7 abs·3/4 td·81s ctrl

Tom Aspinall

KO/TKO R1 · 2:30Sep '21

-16

·16 abs·0/2 td·1 kd taken

Aleksei OleinikVeteran

U-DEC R3Jun '21

+12

·71 SS (52%)·59 abs·1 td taken·291s ctrl

All Fighters

Heavyweight

“Polar Bear”

Serghei Spivac

18-615 UFC

Form

6'3"ht·78"reach·Orthodoxstance·31age

Last fightWAnte Delija·U-DEC·2mo ago

Fighter Context

9–6UFC·

3KO

3Sub

3Dec

8.4min/fight

126UFC min

vs. Winning Record7–4

vs. Veterans (8+ W)3–2

CQ Key Stats

Str. Differential

-0.66

22%ile

Significant strikes landed per minute minus strikes absorbed per minute. Positive values indicate a net striking advantage.

Adj. TD Threat

0.751

93%ile

CageQuant derived signal for measuring takedown offense adjusted for average division opponents.

Durability

26%ile

CageQuant derived signal that measures how well a fighter holds up to damage. Based on stoppage history and knockdowns absorbed over their career.

Round Win Rate

52%

46%ile

CageQuant derived signal. Completed rounds won, scored by CageQuant's proprietary formula rather than official judging.

Striking

Spivac

Heavyweight avg

Ground & PoundHead Hunter

Sig. Strikes / Min3.57

Str. Accuracy47%

448UFC landed/938attempted

Sig. Absorbed / Min

+0.6 vs avg4.23

Str. Defense52%

KD Rate / Fight0.00

KD Absorbed / Fight0.13

Strike Distribution

By Target

Head

94%

Body

Leg

By Position

Dist61%

Clinch4%

Ground35%

Sig. Strikes by Round(career avg per round)

	R1 n=15	R2 n=9	R3 n=5
Landed	12	19	20
Absorbed	17	19	21
Net	-6	+1	-1

Grappling

Spivac

Heavyweight avg

G&P Threat

165s ctrlActive Control

Offense

TD Landed / 15 Min3.82

TD Attempts / 15 MinUFC ONLY6.45

TD Accuracy59%

32UFC landed/54attempted

Sub Attempts / 15 Min0.50

3UFC wins/4attempted

Defense

Solid TD Def

TD Defense63%

7UFC defended/11opp. attempts

Sub Defense0 loss / 1 attempt

Finishing

Finish Rate

67%

Strong Finisher

Win Methods

3KO/TKO

3Sub

3Dec

Loss Methods

4KO/TKO

0Sub

2Dec

Finish Round Distribution

KO (W)

KO (L)

Sub (W)

Cards & Decisions

Recovery RateRounds won after a lost round.

—More data needed.

Decision MarginAvg pts/round on judges' scorecards.

1.3pts

W3 dec

2.0pts

L2 dec

field avg 1.95 pts

Decision Types

4UD

0SD

1MD

Career Trajectory chart available on desktop.

Pace & Cardio

Output Builds Late

Output

Absorbed

Diff

R1n=15

R2n=9

R3n=5

Outputsig strikes / min

2.9

4.3

4.0

Absorbedsig strikes / min

4.3

4.2

4.1

Diff

-1.4

+0.2

-0.1

Per-round career averages · partial rounds time-adjusted · dashed = division avg

Spivac — UFC Fight Log

Ante Delija

U-DEC·R3·Feb '26

67 SS (45%)·61 abs·1/4 td·180s ctrl

Waldo Cortes Acosta

U-DEC·R3·Jun '25

48 SS (40%)·110 abs·2/6 td·145s ctrl

Jailton AlmeidaVeteran

KO/TKO·R1·Jan '25

15 SS (54%)·23 abs·1/1 td·1 td taken·128s ctrl

Marcin TyburaVeteranTITLE

SUB·R1·Aug '24

3 SS (60%)·1/1 td·34s ctrl·1 sub

Ciryl GaneVeteranTITLE

KO/TKO·R2·Sep '23

11 SS (25%)·109 abs·0/1 td

Derrick LewisEliteTITLE

SUB·R1·Feb '23

12 SS (57%)·6/8 td·152s ctrl·1 sub

Augusto Sakai

KO/TKO·R2·Aug '22

33 SS (67%)·8 abs·6/8 td·397s ctrl·1 sub

Greg Hardy

KO/TKO·R1·Mar '22

14 SS (52%)·7 abs·3/4 td·81s ctrl

Round 115 rounds

Round 29 rounds

Round 35 rounds

Avg. Landed

Avg. Absorbed

Avg. Net

-6

-1

n=15

n=9

n=5

Landed

Absorbed

Net

-6

-1