Competing on the night\u2019s prelims, Petrino nearly finished Petersen in the first round before he landed a vicious uppercut and left hook that slept \u201cTrain\u201d during the opening seconds of the fight’s final round.<\/p>\n
The heavyweight tilt between Petrino and Petersen followed the UFC debut of Brazilian Jiu-Jitsu star Bia Mesquita, who improved her professional MMA record to 6-0 when she submitted Irina Alekseeva with a rear naked choke in the second round.<\/p>\n
READ MORE: UFC Fight Night Rio: Oliveira vs. Gamrot free live stream results & highlights<\/a><\/p>\n Petrino\u2019s power was on full display in the opening round, as he rocked his opponent and looked like he might be close to finishing the fight before Petersen was able to use his grappling to settle things down and make it to the second frame. <\/p>\n Vitor Petrino during his UFC Rio fight with Thomas Petersen. \/ (Zuffa LLC)<\/p>\n \u201cIc\u00e3o\u201d did appear to slow down during a second round that saw Peterson start to find some success, but things took a stunning turn when Petrino scored a highlight-reel knockout just 26 seconds into the final round of the heavyweight bout.<\/p>\n VITOR PETRINO WITH AN UNREAL KO AT #UFCRIO<\/a> \ud83d\ude31 pic.twitter.com\/nbYGyMBp8I<\/a><\/p>\n \u2014 ESPN MMA (@espnmma) October 11, 2025<\/a><\/p>\n Petrino\u2019s victory was the fourth finish out of the first five bouts at UFC Rio, as Julia Polastri stopped Karolina Kowalkieciz and Luan Lacerda submitted Saimon Oliveira<\/a> in the card\u2019s first two fights before Mesquita\u2019s debut submission against Alekseeva. <\/p>\n READ MORE: Alex Pereira provides grim injury update, eyes UFC White House superfight for return<\/a><\/p>\n After joining the UFC as an undefeated light heavyweight off of Dana White’s Contender Series<\/a> in 2022, Petrino scored four-straight victories before being stopped by Anthony Smith and Dustin Jacoby in back-to-back fights last year.<\/p>\n Marcin Tybura (red gloves) before the fight against Ante Delija (blue gloves) during UFC Fight Night at Accor Arena. \/ Per Haljestam-Imagn Images<\/p>\n The Brazilian elected to move up to the heavyweight division and made an immediate statement when he submitted Austen Lane at a UFC Fight Night even in July. Following his second heavyweight victory over Petersen, Petrino called for a matchup with divisional mainstay Marcin Tybura, who is currently the promotion\u2019s #10-ranked heavyweight contender.<\/p>\n \u2022 Debuting MMA fighter flatlines undefeated opponent with unbelievable upkick KO<\/a><\/p>\n \u2022 Undefeated MMA fighter delivers 15-second KO in front of UFC’s Dana White<\/a><\/p>\n \u2022 Magomed Ankalaev reveals brutal injury suffered before UFC 320 loss to Alex Pereira<\/a><\/p>\n \u2022 UFC champion praises “living legend” Merab Dvalishvili after UFC 320 title defense<\/a><\/p>\n Stick with MMAKnockout<\/a> for more FREE coverage of the UFC and MMA.<\/p>\n Follow MMAKnockout on Facebook<\/a>, Twitter<\/a>, and Instagram<\/a>.<\/p>\n<\/p>\n
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