Merab Dvalishvili earned another victory, this time over former UFC champion Petr Yan.
The bantamweight contest was the headline fight for UFC Fight Night live on ESPN+ from The Theater at Virgin Hotels in Las Vegas.
Over five rounds, Dvalishvili dominated Yan, sweeping the scorecards to move to 16-4 overall. He has now won each of his last nine fight, including the last two over UFC champs in Yan and Jose Aldo.
In the co-main event, Alexander Volkov earned an upset win over Alexander Romanov, stopping him in the first round.
Nikita Krylov bested Ryan Spann in a bout postponed from earlier this year, while Jonathan Martinez topped Said Nurmagomedov.
On the prelims, Davey Grant submitted Raphael Assuncao with an inverted triangle choke late in the third round.
UFC Fight Night Results
Merab Dvalishvili def. Petr Yan via unanimous decision
Alexander Volkov def. Alexander Romanov via TKO (strikes) at 2:16 of Round 1
Nikita Krylov def. Ryan Spann via submission (triangle choke) at 3:38 of Round 1
Jonathan Martinez def. Said Nurmagomedov via unanimous decision
Mario Bautista def. Guido Cannetti via submission (rear-naked choke) at 3:18 of Round 1
Vitor Petrino def. Anton Turkalj via unanimous decision
Karl Williams def. Lukasz Brzeski via unanimous decision
Davey Grant def. Raphael Assuncao via technical submission (inverted triangle choke) at 4:43 of Round 3
Josh Fremd def. Sedrigues Dumas via submission (guillotine choke) at 3:00 of Round 2
Victory Henry def. Tony Gravely via split decision
Ariane Lipski def. JJ Aldrich via unanimous decision
Bruno Gustavo da Silva def. Tyson Nam via technical submission (rear-naked choke) at 1:23 of Round 2
Carlston Harris def. Jared Gooden via unanimous decision
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