In a night filled with lackadaisical fights, Serghei Spivac ended UFC on ESPN 61 with an energizing finish. Early in Saturday’s main event at the UFC Apex in Las Vegas, Spivac (17-4 MMA, 8-4 UFC) exploded off his back to snatch an armbar and tap Marcin Tybura (25-9 MMA, 12-8 UFC) at 1:44 of Round 1. The Polar Bear got it done quick Serghei Spivac submits Marcin Tybura in the first round! #UFCVegas95 pic.twitter.com/5OjMxm3T9y — UFC (@ufc) August 11, 2024 The armbar was the first in UFC heavyweight history since July 25, 2020, when Fabricio Werdum submitted Alexander Gustafsson . Spivac was able to pull it off from off his back in a matter of seconds, surprising Tybura, who quickly tapped. The win avenged a February 2020 result when Spivac lost a unanimous decision to Tybura.