Serghei Spivac vs Vitor Petrino
Heavyweight Bout • UFC Fight Night: Hernandez vs. Rodrigues
Saturday, August 22, 2026 • Golden 1 Center, Sacramento
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Serghei Spivac
Fighter Metrics
Victory Methods
Win Round Distribution
Vitor Petrino
Fighter Metrics
Victory Methods
Win Round Distribution
📋 Last 5 Fights - Serghei Spivac
| Date | Opponent | Result | Method |
|---|---|---|---|
| 2026-02-21 | Ante Delija | W | Decision (Unanimous) (R3, 5:00) |
| 2025-06-07 | Waldo Cortes-Acosta | L | Decision (Unanimous) (R3, 5:00) |
| 2025-01-18 | Jailton Almeida | L | KO/TKO (Punches) (R1, 4:53) |
| 2024-08-10 | Marcin Tybura | W | Submission (Armbar) (R1, 1:44) |
| 2023-09-02 | Ciryl Gane | L | KO/TKO (Punches) (R2, 3:44) |
📋 Last 5 Fights - Vitor Petrino
| Date | Opponent | Result | Method |
|---|---|---|---|
| 2026-03-14 | Steven Asplund | W | Decision (Unanimous) (R3, 5:00) |
| 2025-10-11 | Thomas Petersen | W | KO/TKO (Punch) (R3, 0:26) |
| 2025-07-12 | Austen Lane | W | Submission (RNC) (R1, 4:16) |
| 2024-12-14 | Dustin Jacoby | L | KO/TKO (Punch) (R3, 3:44) |
| 2024-05-04 | Anthony Smith | L | Submission (Guillotine) (R1, 2:00) |
Technical Analysis
Technical Score
Cardio Score
Overall Rating
📊 Technical Score
Calculated as the average of Striking Composite (31.7 vs 30.5) and Grappling Composite (68.0 vs 71.9). Balances overall striking effectiveness with grappling ability to measure complete technical skills. Both men are below-average heavyweight strikers and above-average grapplers — the separation lives in cardio and matchup-specific risk.
💪 Cardio Score
Based on average fight duration, striking rate per minute, takedown rate, and finish rate. Measures cardiovascular endurance and ability to maintain pace throughout fights.
🎯 Overall Rating
Simple average of Technical Score and Cardio Score. Provides a holistic view of fighter capabilities combining skill level with physical conditioning and fight performance.
Striking Composite
Grappling Composite
Technical Radar Comparison
Visual comparison of key performance metrics between both fighters
📊 Detailed Statistical Comparison
🥊 Fight Analysis Breakdown
🧩 Serghei Spivac Key Advantages
Spivac's 4.21 takedowns per 15 minutes (rank 5 of 22 heavyweights) against Petrino's 3.25 is the engine of this fight. Petrino's 71% takedown defense is respectable, but Spivac does not need a high success rate — he needs volume, and he generates more attempts than almost anyone in the division. Land one in three and it becomes a grappling match he dominates. His 1.6 takedowns landed in round one put the mat in play from the opening minute, exactly where Petrino's 21% ground offense and documented submission vulnerability leave him most exposed. As the third-most prolific takedown artist in UFC heavyweight history (32 career), Spivac simply chains attempts until the math works over 15 minutes.
Petrino has been submitted exactly once in his career — an Anthony Smith guillotine — and Spivac's entire finishing identity is top-position submissions and ground-and-pound: arm-triangles (Lewis, Tuivasa), armbars (Tybura), and punches from mount and back (Hardy, Sakai, Vanderaa). His 81.2% ground-strike accuracy and above-average submission threat mean that once he is on top, he is hunting the exact finish Petrino has already proven susceptible to. Eight career submission wins to Petrino's two, and a ground-strike share of 41% versus 21%, make this a documented vulnerability rather than a hypothetical one — and Spivac is the ideal executioner for it.
Spivac's productive output rises to 109% of his round-one rate by round three while Petrino's collapses to 60% — the cleanest, most decision-relevant asymmetry in the fight. Spivac's control climbs to 106 seconds in the third; Petrino's gas empties. In a three-round bout, the deciding round is Spivac's strongest and Petrino's weakest, and heavyweight fatigue is also when chins get chinny and takedowns get easy. Layer on the schedule: Spivac has shared the cage with Gane, Aspinall, Almeida, Lewis and Tuivasa — Championship-tier deep water Petrino has never seen. When round two turns ugly and grinding, the Polar Bear has been there dozens of times.
⚠️ Unfavorable Scenarios
Spivac's chin is the fight's fault line — dropped four times, 0% knockdown recovery. If he shoots from too far or half-commits a lazy entry with his hands down, Petrino can land the fight-ending counter right hand as Spivac ducks in, or latch the same guillotine that beat Petrino at 205 (his rank-4 sub-attempt rate makes the choke live in a scramble). Petrino absorbs almost nothing on the feet (SApM rank 6 of 22), so Spivac's low-volume, low-power striking is unlikely to soften him first — every entry against a rangy counter-puncher is a chance to eat the right hand.
If Petrino stuffs the early takedowns behind his 71% defense and keeps the fight standing, Spivac is in trouble. His rank-17 striking volume, below-median accuracy and leaky 50% guard simply can't win rounds on the feet against a low-output but higher-consequence counter-striker. Spivac must walk forward into range with zero deterrent power to grapple, and every second the fight spends standing is a second that favors the Brazilian — Gane and Cortes-Acosta already showed that a rangy striker who denies the takedown can out-point or stop him.
📋 Likely Gameplan
Spivac should close distance and clinch immediately — his 62% clinch-takedown accuracy is the highest-percentage tool he owns. Take away the distance where 73–79% of Petrino's offense lives and the power punch loses its runway. From there he chains takedowns by volume, not precision: accept that Petrino's 71% defense stuffs some, and keep shooting. Rank-5 attempt volume means the math works over 15 minutes even at a reduced success rate, and his 1.6 first-round takedowns put the fight on the mat before Petrino's power is a factor.
Once on top, Spivac should hunt the arm-triangle — Petrino has been guillotined once and Spivac's signature top-position choke attacks the same vulnerability. From mount and side control he works the ground-and-pound (81% accuracy) to force the scramble that opens the submission. If the finish doesn't come, he leans on the cardio edge: control time and top position win heavyweight rounds, and his rising output and 106-second third-round control are a scorecard machine against a fading opponent. Above all, do not stand and trade — grappling is not just his best path, it is his only safe one.
🚀 Vitor Petrino Key Advantages
This is the single most valuable asset in the fight and it needs no interpretation: Spivac has been knocked down four times and has never gotten up to win (0% KD recovery). Petrino carries genuine one-shot power — a 0.38 knockdown average, seven KO wins, two of them clean distance shots, including a third-round one-punch stoppage of Thomas Petersen that proves his power survives the late frames. He also absorbs almost nothing himself (SApM rank 6 of 22). Every exchange on the feet carries a live, fight-ending threat in Petrino's favor and none in Spivac's. Gane and Almeida already showed the blueprint; Petrino has the hammer to copy it.
Petrino's 71% takedown defense is meaningfully better than Spivac's 64%, and he is himself a capable wrestler (rank 7 in TD/15). If he can keep even 40% of the fight standing, his power dictates terms. His elite sub-attempt rate (rank 4 of 22) plus the rear-naked-choke finish of Austen Lane mean scrambles are not automatically Spivac's — a sloppy Spivac entry could find Petrino's neck as easily as the reverse. At 27 to Spivac's 30, riding a 3-0 heavyweight surge with two Performance bonuses, the fresher and more confident man is also the more dangerous one in the late minutes if he can stay upright.
⚠️ Unfavorable Scenarios
Spivac's rank-5 takedown volume overwhelms the 71% defense by sheer attempts; Petrino is on his back inside two minutes, and the arm-triangle and ground-and-pound sequence that finished Derrick Lewis and Tai Tuivasa plays out on him. His single career submission loss becomes his second as Spivac postures into top position and isolates the choke Petrino has already proven vulnerable to. His high sub-attempt number flows from scrambles and bottom positions — the very instinct that got him guillotined by Anthony Smith — not from the dominant top control Spivac imposes.
Petrino's volume craters to 60% of his round-one rate by round three (14.6 → 8.8 significant strikes), exactly as Spivac's control climbs to 106 seconds and his output rises. He loses the deciding championship round decisively on the cards and, worse, invites the finish on the mat while gassed. His "Fades Late" curve runs directly into Spivac's "Steady" rise, so even a well-defended early two rounds leave him needing the finish before his own tank empties — a decision his cardio simply won't support against a grinder banking control every minute.
📋 Likely Gameplan
Petrino's plan is to keep it standing at all costs — sprawl, frame, and circle off the fence, because his 71% takedown defense is the number that has to hold. Every takedown stuffed is a round kept in his world. From there he sits on the counter right hand: Spivac must walk forward into range to grapple, and Petrino absorbs almost nothing (SApM rank 6), so he baits the entry and lands the counter on a chin that has never survived being dropped. Investing in the body early (26% of his round-one strikes) taxes Spivac's engine and makes the late-round grind cost him too.
With his output collapsing to 60% by round three, Petrino's window is rounds one and two. He must land the fight-ender while his tank and Spivac's chin are both live, rather than trusting a decision his cardio won't support. On Spivac's shots he should threaten the guillotine — Spivac ducks his head on entries, and Petrino's rank-4 sub-attempt rate and choke instinct make the same guillotine that beat Marcin Prachnio, and echoes the Anthony Smith finish, a live counter to a lazy takedown. Front-load the damage; force Spivac to fight from behind before the grind takes hold.
🎯 Fight Prediction Analysis
Data-driven prediction model based on statistical analysis
📊Detailed Analysis Summary
🪞The Physical Mirror
At 6'3"/78" versus 6'2"/77.5", with a single inch of leg reach between them, there is no meaningful physical mismatch — no reach to exploit, no size to lean on. This strips the fight down to pure style and disposition: a control wrestler who must get inside, versus a range counter-puncher who must stay outside. The database archetype table settles the historical baseline cleanly — a Wrestler beats a Muay Thai Fighter 59.5% of the time across a 42-fight sample — and the reason is exactly this matchup's shape: wrestlers dictate where the fight happens, and a striker who can't stop the takedown can't deploy the striking that is his only edge. The three-year age gap (30 vs 27) is the one differential that matters, and it cuts toward the fresher Petrino in the late minutes — if he can stay upright to reach them.
🎯Technical Breakdown
Two below-average heavyweight strikers who are both above-average grapplers — a fight destined to be decided in the phases neither man's striking flatters. On raw percentile math the grappling composites are effectively even, and Petrino's (71.9) even edges Spivac's (68.0), driven by his higher sub-attempt rate and better takedown-defense percentile. That is a composite artifact, and we flag it rather than hide it: the metrics that decide grappling exchanges — control time, ground-strike accuracy (Spivac 81.2% vs 66.8%), ground-strike share (41% vs 21%) and finishing pedigree (8 submission wins to 2) — all belong decisively to Spivac. Petrino's high sub-attempt number flows from scrambles and bottom positions; Spivac's flows from dominant top control. The composite says "even." The film, the control data and the finishing record say Spivac wins the grappling that matters — provided he is the one initiating it.
🧩Key Battle Areas
Everything reduces to a single race: Spivac's takedown versus Petrino's right hand. If Spivac grapples, his chin never gets tested and his cardio grinds Petrino down; if Petrino defends and keeps it standing, his power eventually finds the fault line. The most specific, film-backed pattern is the Anthony Smith echo — Petrino's lone submission loss was a guillotine off a scramble against a far lesser grappler, and Spivac is a top-position choke specialist walking the same threat across the cage, upgraded. Overlay the round-by-round curves and the clock becomes visible: Petrino's win equity is front-loaded into the first six or seven minutes (fresh, powerful, at range), while Spivac's grows with every minute after as his output climbs to 19.3 in round two and his control stacks to 106 seconds in round three. The Brazilian must find the finish early; the Moldovan must survive the early power and let his grappling and gas tank do the rest.
🏁Final Prediction
The most likely outcome is Serghei Spivac by Decision (25% probability), the control-heavy, cardio-backed scorecard his rising output and 106-second third round make almost automatic against a fading opponent. His submission path (22%) is nearly as live and his most structurally sound route — the arm-triangle that beat Lewis and Tuivasa aimed at the one submission vulnerability Petrino has already been finished with. His KO/TKO lane (10%) is entirely ground-and-pound, most likely in his round-two finishing window. Petrino's upset centers on his KO/TKO (24%): genuine one-shot power against a chin dropped four times with 0% recovery, concentrated in the first two rounds before the grappling and his own fade take hold. His decision (13%) is his weakest path — the fade runs straight into Spivac's rise — and his submission (6%) captures the guillotine-on-the-shot counter.
💰 Betting Analysis: Model vs Market
Detailed value assessment in the betting market
📊Market Odds
🤖Analytical Model
💎Value Opportunities
MAXIMUM VALUE
Model: 22% | Market implied: 20%
GOOD VALUE
Model: 24% | Market implied: 25%
SLIGHT VALUE
Model: ~72% | Implied: 68.8%
⚠️Key Market Discrepancies
- • Overweights the highlight power – Petrino's KO reel and Spivac's recent losses underprice Spivac's most repeatable route, the submission (+400).
- • Undervalues the cardio divergence – Spivac rises to 109% output in round three while Petrino craters to 60%; the deciding round is skewed to the wrestler.
- • Fresher-puncher bias – The market leans on youth and momentum, but control grappling wins the rounds that actually last at heavyweight.
🎯 Comprehensive Probabilistic Analysis
100 hypothetical fight simulation based on statistical data
🏆Outcome Distribution - Serghei Spivac
Control-heavy scorecard vs a fading opponent
Ground-and-pound only — zero standing power
Arm-triangle at Petrino's one proven sub weakness
💥Outcome Distribution - Vitor Petrino
Best lane — one-shot power vs a chin at 0% recovery
Defends takedowns, steals early rounds — uphill vs the fade
Guillotine on a lazy Spivac entry — real but low
⏰Fight Timeline Analysis
⚡Window of Opportunity - Vitor Petrino
- • First 6–7 minutes: Highest one-punch KO equity before the grind.
- • Takedown defense: Sprawl + reframe to keep it standing.
- • Counter windows: Bait the entry, land the right hand on a fragile chin.
🎯Progressive Dominance - Serghei Spivac
- • Chain takedowns: Volume overwhelms a good-not-elite 71% TDDef.
- • Arm-triangle: Attack the choke Petrino has already lost to.
- • Late minutes: Rising output + 106s control win the third round.
🎯 Final Confidence Assessment
Confidence level and uncertainty factors
Confidence Level
Clear-but-moderate lean: Spivac's edges are conditional on imposing the grappling; Petrino's one equalizer is live every standing second
✅Supporting Factors
- • Elite takedown volume (4.21 TD/15, rank 5/22) beats a good-not-elite 71% TDDef over 15 minutes
- • Cardio/momentum edge: rises to 109% output and 106s control in R3 while Petrino craters to 60%
- • Documented sub vulnerability: Petrino guillotined by a lesser grappler; Spivac owns 8 sub wins
- • Archetype baseline (Wrestler 59.5% vs Muay Thai) + Championship-tier schedule
⚠️Risk Factors
- • Spivac's chin: dropped 4×, 0% KD recovery vs real power
- • 71% TDDef can keep enough of it standing to matter
- • Heavyweight variance — one clean shot rewrites the model
🏁Executive Summary
This fight is a race between Serghei Spivac's takedown and Vitor Petrino's right hand. Across 100 simulations, roughly 57 see Spivac's grappling decide the night — most often by dragging Petrino to the mat and hunting the arm-triangle his opponent has already been finished with (22%), or by grinding out the control-heavy, cardio-backed decision his rising output and 106-second third round make almost automatic against a fading opponent (25%), with a smaller slice of round-two ground-and-pound stoppages (10%). He is the more schedule-tested, more control-dominant, better-conditioned fighter, and the archetype history (Wrestler beats Muay Thai Fighter 59.5%) says his style wins this clash. What keeps it from being a runaway is the one number he can't fix — a chin dropped four times with 0% recovery — against the one thing Petrino reliably brings.
Prediction: Spivac by Decision most likely (25%), closely trailed by his signature submission (22%) — his most structurally sound route aimed at Petrino's lone documented submission loss. Petrino's upset lane is the KO/TKO (24%): genuine one-shot power against a proven-fragile chin, concentrated in the first two rounds before the grappling and his own late fade take hold. The data gives Spivac the edge in every phase that lasts — control, submissions and the championship round — but Petrino carries the one thing that ends fights before those phases arrive, making the Polar Bear a deserved but nervous 57%–43% favorite in Sacramento.