Overview

• Petrino won by knockout at 0:26 of Round 3 on Oct. 11, 2025, during the UFC Fight Night event at Farmasi Arena in Rio de Janeiro.
• The ending came from a rapid uppercut-to-left-hook combination that left Petersen face down before the referee intervened.
• The first two rounds were grappling heavy, with Petrino scoring a late Round 1 knockdown off a right hand and both fighters fading in Round 2.
• Since moving up from 205 pounds, Petrino has opened his heavyweight run 2-0, including a previous rear-naked choke of Austin Lane.
• After the win he said he is aiming for the heavyweight title, with some coverage speculating he could enter the contender mix depending on Tom Aspinall vs. Ciryl Gane at UFC 321.