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2026-08-28 00:28 UTC → 2026-09-04 22:36 UTC ·
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Initially, Arman Tsarukyan was is scheduled to face Charles Oliveira Mauricio Ruffy in a BMF title rematch five-round co-main event at UFC 331 in Los Angeles on September 19. Tsarukyan had expressed interest in competing for both This matchup follows the cancellation of Tsarukyan’s BMF title and the undisputed lightweight championship within the same year. However, the rematch with Oliveira was canceled following Charles Oliveira, which occurred after the death of Oliveira's Oliveira’s teammate, Allan Nascimento. Consequently, Tsarukyan's opponent for UFC 331 has changed to Mauricio Ruffy, who will compete in a five-round co-main event. UFC President Dana White confirmed Ruffy as the replacement after the original matchup fell through. Following the cancellation, Tsarukyan has publicly questioned the circumstances surrounding the withdrawal. During an appearance on ‘The Ariel Helwani Show’, Tsarukyan previously accused Oliveira of using the death of a teammate tragedy as an excuse to avoid the rematch, noting that the Brazilian fighter appeared to return to training shortly after the passing of Allan Nascimento. Tsarukyan suggested Oliveira might be attempting to secure more favorable matchups, such as a fight against Diego Lopes. Mauricio Ruffy accepted the replacement bout on short notice while training in Australia with Alexander Volkanovski. fight. Ruffy, a knockout specialist who has secured 13 of his 14 MMA victories by knockout, accepted the bout on short notice while training in Australia. He has stated that his primary objective is to seek a finish. While acknowledging Tsarukyan’s grappling strength, Ruffy finish and noted he has been working outside of his comfort zone to improve his takedown defense. The winner of the Tsarukyan vs. defense to counter Tsarukyan’s grappling. Ruffy described the matchup is as likely the most difficult challenge of his career. While it was initially expected to that the winner would earn a direct shot at the lightweight championship, currently held by champion Justin Gaethje. Gaethje, UFC CEO Dana White has declined to guarantee a title shot. White stated, “I hate to say that until the fight is over,” citing a complicated relationship with Tsarukyan following the fighter's injury-related withdrawal from UFC 311. White’s comments suggest an emphatic performance, such as a stoppage, may be necessary to secure a title opportunity. In addition to the Ruffy matchup, Tsarukyan’s public profile has been marked by an intensifying rivalry with Paddy Pimblett, who has criticized Tsarukyan’s lifestyle and wealth.