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Matchup Analysis·Heavyweight
↑UFC Fight Night: Hernandez vs. Rodrigues2 / 13
←Hernandez vs RodriguesRidder vs Dolidze→
Red Corner

Serghei Spivac

“Polar Bear”
18-615 UFCLast6mo ago
Wrestler
3× Title
3× 5R
High Variance
Early Chaos
Output Builds Late
High Wear
6'3"ht·78"reach·Orthodoxstance·31age
VS
Heavyweight265 lbs
3R
Blue Corner

Vitor Petrino

14-29 UFCLast5mo ago
Wrestler
Rising
Output Builds Late
6'2"ht·77"reach·Orthodoxstance·28age
CQ
EdgesElevated Finish Risk
CageQuant signals — dimensions where one fighter holds a statistically meaningful advantage
StrikingPetrinoSlight edge
DecisionNo edge
GrapplingPetrinoSlight edge
KO Adv.No edge
Sub Adv.SpivacDominant
DurabilityPetrino
Signals
1 signal
WC TRANSITION

Petrino is in their 3rd fight into a move up from Light Heavyweight. Record at Heavyweight: 3-0.

CQ Core Edges
CQ Striking Differential
Strikes landed vs absorbed
Petrino
Spivac
-0.66
Petrino
+0.53
CQ Grappling Threat
TD threat vs this opponent
Petrino
Spivac
0.80
Petrino
0.96
CQ Decision Advantage
Round Win Rate
No edge
Spivac
52%
Petrino
55%
CQ Durability
KO exposure history
Petrino
Spivac
39
Low
Petrino
72
Durable
4 KO lossesKO losses1 KO loss
0.13KD / fight0.22
CQ Pace Index
Combined SLpM
Moderate
Spivac3.57SLpM
+
SLpM3.24Petrino
6.8
LowModHighExtreme
CQ Cardio Pattern
Late-fight output
No edge
SpivacOutput Builds Late+38% R1→R3
PetrinoOutput Builds Late+35% R1→R3
Finish History
Spivac
KO/TKO ×3Sub ×3
Finish rate (wins)
67%
6/9
Stopped rate (losses)
67%
4/6
Petrino
KO/TKO ×2Sub ×2
Finish rate (wins)
57%
4/7
Stopped rate (losses)
100%
2/2
Edge & Exposure
Spivac
EdgeGrappling Dominant

Top-tier takedown threat for this division. Consistently forces the fight to the mat.

ExposureWear Concern

High accumulated UFC fight volume. Susceptible to opponents who apply pressure in later rounds.

Petrino
EdgeGrappling Dominant

Top-tier takedown threat for this division. Consistently forces the fight to the mat.

EdgePressure Fighter

Output holds or improves as the fight extends. Wins the striking exchange in later rounds when opponents expect a slowdown.

Opposition Quality
Spivac9–6UFC
vs. Winning-Record Opps
7–4
Record (11)
-0.6
Str Diff/Min
86%
Finish (W)
vs. Veteran Opps (≥8 UFC wins)
-8% step-up
3–2
Record (5)
-1.3
Str Diff/Min
67%
Finish (W)
Petrino7–2UFC
vs. Winning-Record Opps
3–2
Record (5)
+0.5
Str Diff/Min
33%
Finish (W)
Division Percentile Ranks
SpivacHeavyweightPetrino
23rd
Striking Differential
56th
94th
Grappling Threat
85th
47th
Round Win Rate
58th
42nd
TD Defense
75th
28th
Durability
63rd
49th
Finishing Rate
36th
Recent Form
Spivac
Stat
Petrino
3.733.57 career
↑0.16
SLpMOutput
↑1.00
4.243.24 career
5.564.23 career
⚠↑1.33
SApMAbsorbed
↓0.02
2.692.71 career
4.736.45 career
⚠↓1.72
TD AttAttempts/15m
↓0.59
5.566.15 career
0.000.50 career
↓0.50
Sub AttAttempts/15m
↑0.31
1.010.70 career
Stat Breakdown
Finishes
Outcome Signal
Elevated Finish Risk
Spivac33% distance
Finish 67%Decision 33%
Petrino33% distance
Finish 67%Decision 33%
Spivac 15 UFC fights·Petrino 9 UFC fights
Avg Fight Length
Spivac
8.4min
Petrino
10.6min
Combined Distance Rate
33%of fights go the distance
CQ Finish Risk
KO Danger·↑ SCORE = ↑ RISK
SpivacTO KNOCK OUTPetrino
44
High
KO Wins
KO/TKO wins3
Total UFC wins9
Petrino's KO Losses
KO/TKO losses1
Total UFC losses2
PetrinoTO KNOCK OUTSpivac
52
High
KO Wins
KO/TKO wins2
Total UFC wins7
Spivac's KO Losses
KO/TKO losses4
Total UFC losses6
Sub Danger·↑ SCORE = ↑ RISK
SpivacTO SUBMITPetrino
70
Elite
Sub Wins
Submission wins3
Total UFC wins9
Petrino's Sub Losses
Sub losses1
Total UFC losses2
PetrinoTO SUBMITSpivac
18
Low
Sub Wins
Submission wins2
Total UFC wins7
Spivac's Sub Losses
Sub losses0
Total UFC losses6
SpivacWin MethodPetrino
33%
KO / TKO
29%
33%
Submission
29%
33%
Decision
43%
9 UFC wins · 3 KO · 3 Sub · 3 Dec7 UFC wins · 2 KO · 2 Sub · 3 Dec
Spivac
Loss Method
Petrino
67%
KO / TKO
50%
0%
Submission
50%
33%
Decision
0%
6 UFC losses · 4 KO · 2 Dec2 UFC losses · 1 KO · 1 Sub
Spivac10 stoppages · 7 KO · 3 Sub
R1
6
R2
4
R3
0
R1R2R3
KO Win
KO Loss
Sub Win
All stoppages
LKOJailton AlmeidaR1 · 4:53
WSubMarcin TyburaR1 · 1:44
LKOCiryl GaneR2 · 3:44
WSubDerrick LewisR1 · 3:05
WKOAugusto SakaiR2 · 3:42
Petrino6 stoppages · 3 KO · 3 Sub
R1
2
R2
1
R3
3
R1R2R3
KO Win
KO Loss
Sub Win
Sub Loss
All stoppages
WKOThomas PetersenR3 · 0:26
WSubAusten LaneR1 · 4:16
LKODustin JacobyR3 · 3:44
LSubAnthony SmithR1 · 2:00
WKOModestas BukauskasR2 · 1:03
Historical Context
Spivac — Recent Fights
Opponent
MethodRndDate
W
Ante DelijaHW
U-DEC
R3
Feb '26
67 SS (45%)·61 abs·1/4 td·180s ctrl
L
Waldo Cortes AcostaHW
U-DEC
R3
Jun '25
48 SS (40%)·110 abs·2/6 td·145s ctrl
L
Jailton AlmeidaVeteranHW
KO/TKO
R14:53
Jan '25
15 SS (54%)·23 abs·1/1 td·1 td taken·128s ctrl
W
Marcin TyburaVeteranTITLEHW
SUB
R11:44
Aug '24
3 SS (60%)·0 abs·1/1 td·34s ctrl·1 sub att
L
Ciryl GaneVeteranTITLEHW
KO/TKO
R23:44
Sep '23
11 SS (25%)·109 abs·0/1 td
W
Derrick LewisEliteTITLEHW
SUB
R13:05
Feb '23
12 SS (57%)·0 abs·6/8 td·152s ctrl·1 sub att
View full fight log →
Petrino — Recent Fights
Opponent
MethodRndDate
UFC Fights·9 fights
W
Steven AsplundHW
U-DEC
R3
Mar '26
92 SS (57%)·61 abs·0/4 td·77s ctrl·1 kd taken
W
Thomas PetersenHW
KO/TKO
R30:26
Oct '25
31 SS (57%)·16 abs·1/6 td·183s ctrl·2 kd
W
Austen LaneHW
SUB
R14:16
Jul '25
3 SS (50%)·3 abs·1/1 td·183s ctrl·2 sub att
L
Dustin JacobyVeteranLHW
KO/TKO
R33:44
Dec '24
40 SS (42%)·45 abs·0/4 td·40s ctrl·1 kd taken
L
Anthony SmithVeteranLHW
SUB
R12:00
May '24
10 SS (45%)·11 abs·1/2 td·14s ctrl
W
Tyson PedroLHW
U-DEC
R3
Mar '24
27 SS (36%)·30 abs·3/5 td·324s ctrl
View full fight log →
Matchup·HW·3R
↑UFC Fight Night: Hernandez vs. Rodrigues
2/13←→
Switch to Full Stats for deeper analysis.
Red Corner

Serghei Spivac

“Polar Bear”
18-615 UFC6mo ago
6'3"ht78"reachOrthodox31 yrs
VS·HW·3R
Blue Corner

Vitor Petrino

14-29 UFC5mo ago
6'2"ht77"reachOrthodox28 yrs
CQ
Edges
Elevated Finish Risk
CageQuant signals — dimensions where one fighter holds a statistically meaningful advantage
StrikingPetrinoSlight edge
DecisionNo edge
GrapplingPetrinoSlight edge
DurabilityPetrino
KO Adv.No edge
Sub Adv.SpivacDominant
Signals
1
WC TRANSITIONPetrino is in their 3rd fight into a move up from Light Heavyweight. Record at Heavyweight: 3-0.
CQ Core Edges
CQStriking Edge
Who's winning the striking exchange
Petrino
Spivac-0.66
Petrino+0.53
CQGrappling
Takedown threat vs this opponent's defense
Petrino
Spivac0.80
Petrino0.96
CQDecision
CQ round win rate
No edge
Spivac52%
Petrino55%
CQDurability
KO resistance — higher is better
Petrino
Spivac
39Low
Petrino
72Durable
Stats
Spivac
Petrino
Striking
3.57SS Landed / min3.24
47%Str Acc48%
4.23SS Absorbed / min2.71
52%Str Def51%
0.00KD / fight0.33
Grappling
3.82TD / min2.60
63%TD Def79%
0.50Sub Att · /15m0.70
100%Sub Def0%
Finish History
Spivac
KO/TKO ×3Sub ×3
Finish Rate (Wins)
67%
6/9
Stopped Rate (Losses)
67%
4/6
Petrino
KO/TKO ×2Sub ×2
Finish Rate (Wins)
57%
4/7
Stopped Rate (Losses)
100%
2/2
Spivac33% distance
Finish 67%Decision 33%
Petrino33% distance
Finish 67%Decision 33%
Spivac 15 UFC fights·Petrino 9 UFC fights
Avg Fight Length
Spivac
8.4min
Petrino
10.6min
Combined Distance Rate
33%of fights go the distance
Win & Loss Method
SpivacWinPetrino
33%
KO
29%
33%
Sub
29%
33%
Dec
43%
9 wins3 KO3 Sub3 Dec
3 Dec2 Sub2 KO7 wins
SpivacLossPetrino
67%
KO
50%
0%
Sub
50%
33%
Dec
0%
6 losses4 KO2 Dec
1 Sub1 KO2 losses
CQ Finish Risk
Spivac
to knock out
Petrino
44High
Petrino
to knock out
Spivac
52High
Spivac
to submit
Petrino
70Elite
Petrino
to submit
Spivac
18Low
Recent Form
Spivac
Stat
Petrino
3.73
3.57 career
↑0.16
SLpMOutput
↑1.00
4.24
3.24 career
5.56
4.23 career
↑1.33
SApMAbsorbed
↓0.02
2.69
2.71 career
4.73
6.45 career
↓1.72
TD AttAtt/15m
↓0.59
5.56
6.15 career
0.00
0.50 career
↓0.50
SubAtt/15m
↑0.31
1.01
0.70 career
Full Stats unlocks4 more sections
Per-Fight Stats
Opposition Quality
Percentile Ranks
Round Breakdown
Historical Context
Spivac—Recent Fights
OpponentMethodRndDate
W
Ante DelijaHW Bout
U-DEC · R3 · Feb '26
67 SS (45%)·61 abs·1/4 td·180s ctrl
L
Waldo Cortes AcostaHW Bout
U-DEC · R3 · Jun '25
48 SS (40%)·110 abs·2/6 td·145s ctrl
L
Jailton AlmeidaVeteranHW Bout
KO/TKO · R1 · 4:53 · Jan '25
15 SS (54%)·23 abs·1/1 td·1 td taken·128s ctrl
W
Marcin TyburaVeteranTITLEHW Bout
SUB · R1 · 1:44 · Aug '24
3 SS (60%)·0 abs·1/1 td·34s ctrl·1 sub att
L
Ciryl GaneVeteranTITLEHW Bout
KO/TKO · R2 · 3:44 · Sep '23
11 SS (25%)·109 abs·0/1 td
W
Derrick LewisEliteTITLEHW Bout
SUB · R1 · 3:05 · Feb '23
12 SS (57%)·0 abs·6/8 td·152s ctrl·1 sub att
View full fight log →
Petrino—Recent Fights
OpponentMethodRndDate
UFC Fights·9 fights
W
Steven AsplundHW Bout
U-DEC · R3 · Mar '26
92 SS (57%)·61 abs·0/4 td·77s ctrl·1 kd taken
W
Thomas PetersenHW Bout
KO/TKO · R3 · 0:26 · Oct '25
31 SS (57%)·16 abs·1/6 td·183s ctrl·2 kd
W
Austen LaneHW Bout
SUB · R1 · 4:16 · Jul '25
3 SS (50%)·3 abs·1/1 td·183s ctrl·2 sub att
L
Dustin JacobyVeteranLHW Bout
KO/TKO · R3 · 3:44 · Dec '24
40 SS (42%)·45 abs·0/4 td·40s ctrl·1 kd taken
L
Anthony SmithVeteranLHW Bout
SUB · R1 · 2:00 · May '24
10 SS (45%)·11 abs·1/2 td·14s ctrl
W
Tyson PedroLHW Bout
U-DEC · R3 · Mar '24
27 SS (36%)·30 abs·3/5 td·324s ctrl
View full fight log →
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GuideContactTermsPrivacy
CageQuant

Independent MMA analytics. Not affiliated with or endorsed by any promotion.
Statistics are informational only. Not betting advice.

© 2026 CageQuant. All rights reserved.

Follow on X