UFC Record Breakdown
Serghei Spivac is making a wild jump up to heavyweight after spending his entire UFC run in the division, and he's welcoming Vitor Petrino, who's doing the exact opposite by moving up from light heavyweight. The Brazilian just signed a new UFC deal and has been grinding grappling hard after getting submitted by Anthony Smith and knocked out by Dustin Jacoby. That's a rough way to learn you need to tighten things up on the ground. Spivac is coming off a decision win over Ante Delija in February, but before that he had a brutal stretch.
If Spivac can drag this to the mat early, we could see a finish in the first round, but if Petrino stuffs takedowns, his power becomes scary in round two.
Jailton Almeida absolutely smoked him in under five minutes at UFC 311, landing punches from back control. The Polar Bear bounced back with that slick armbar over Marcin Tybura in their rematch, showing he's still dangerous when things hit the mat. But that loss to Ciryl Gane in Paris still stings, getting stopped in the second round. Petrino has been on a tear at heavyweight with three straight finishes, including that nasty rear naked choke of Austen Lane and the knockout of Thomas Petersen.
He's looked way more comfortable at the heavier weight class, and all that grappling work with CM System could be huge here. Spivac loves to hunt submissions, but Petrino's been specifically training takedown defense knowing what's coming. This is a legit crossroads fight for both guys. Spivac needs to prove he can hang with the younger, hungrier heavyweights, while Petrino wants to show those light heavyweight losses were just growing pains before finding his real home.
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Vitor Petrino finish map

Vitor Petrino breakdown
Vitor Petrino's recent form
Serghei Spivac is making a wild jump up to heavyweight after spending his entire UFC run in the division, and he's welcoming Vitor Petrino, who's doing the exact opposite by moving up from light heavyweight. The Brazilian just signed a new UFC deal and has been grinding grappling hard after getting submitted by Anthony Smith and knocked out by Dustin Jacoby. That's a rough way to learn you need to tighten things up on the ground. Spivac is coming off a decision win over Ante Delija in February, but before that he had a brutal stretch.
If Spivac can drag this to the mat early, we could see a finish in the first round, but if Petrino stuffs takedowns, his power becomes scary in round two.
Jailton Almeida absolutely smoked him in under five minutes at UFC 311, landing punches from back control. The Polar Bear bounced back with that slick armbar over Marcin Tybura in their rematch, showing he's still dangerous when things hit the mat. But that loss to Ciryl Gane in Paris still stings, getting stopped in the second round. Petrino has been on a tear at heavyweight with three straight finishes, including that nasty rear naked choke of Austen Lane and the knockout of Thomas Petersen.
He's looked way more comfortable at the heavier weight class, and all that grappling work with CM System could be huge here. Spivac loves to hunt submissions, but Petrino's been specifically training takedown defense knowing what's coming. This is a legit crossroads fight for both guys. Spivac needs to prove he can hang with the younger, hungrier heavyweights, while Petrino wants to show those light heavyweight losses were just growing pains before finding his real home.
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Serghei Spivac finish map

Serghei Spivac breakdown
Serghei Spivac's recent form
Pace delta
+0.3 significant strikes/min
Serghei Spivac averages 3.6 significant strikes per minute while Vitor Petrino sits at 3.2.
AI confidence
85%
Probability weighting from the AgentMMA simulator.
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Vitor Petrino vs Serghei Spivac odds: this page includes live Polymarket odds for this matchup.