Oleg Popov

Oleg Popov (Russian: Олег Сергеевич Попов; born 10 January 1992) is a Russian professional mixed martial artist. He is currently signed to the MMA promotion the Professional Fighters League (PFL) in the heavyweight division, where he was the 2025 PFL Heavyweight Tournament Champion. A professional mixed martial arts competitor since 2015, he has previously fought in AMC Fight Nights and Bellator MMA. As of March 26, 2026, he is #1 in the PFL heavyweight rankings.[edit]