Alexander Romanov has transitioned from a decorated freestyle wrestler and sumo silver medalist to a professional mixed martial artist, competing in the Ultimate Fighting Championship (UFC) and Professional Fighters League (PFL). He is known for strong grappling and submission skills. After earning a bronze medal at the 2016 World University Championships in freestyle wrestling and a silver medal at the OPEN European Cup in sumo the same year, Alexander Romanov transitioned his decorated grappling background into a formidable mixed martial arts career. His foundational athletic journey included representing Moldova on four World Teams, with two at the senior level and two at junior level, alongside eight European Teams, comprising five senior and three age-group appearances.
Alexander Romanov made an immediate impact in the PFL tournament, achieving a submission victory via guillotine choke against Timothy Johnson in the quarterfinals on May 1, 2025. His path to the final included advancing past a no-contest with Valentin Moldavsky in the semifinals on June 27, 2025. Romanov faced Oleg Popov in the tournament final on August 21, 2025, ultimately concluding his PFL season with a hard-fought split decision loss. Throughout his career, Romanov has consistently been recognized for his exceptional wrestling background, formidable grappling, and potent submission skills, making him a compelling force in the heavyweight division.