Anton Efremov is a 23-year-old professional football player from RUS. He currently plays for CA Osasuna Promesas, wearing the number 15 shirt. He plays primarily as a Defender. He stands at 190cm tall and weighs 80kg. His preferred foot is Right. His current market value is estimated at 100K €.

His most recent move was a Free from Villarreal B to CA Osasuna Promesas on 2025-08-13. The reported fee was 0.08M €.

Throughout the Primera Federación 2025-2026, Anton Efremov featured in 2 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.