He currently plays for Kirklarelispor, wearing the number 42 shirt. He plays primarily as a Forward. His preferred foot is Right. His current market value is estimated at 75K €.

His most recent move was a Loan from Kirklarelispor to Konyaspor on 2026-06-29.

In the Turkish Second League 2025-2026 season, M. Büyüksayar scored 1 goals and provided 1 assists across 17 appearances, averaging 0.1 goals per game with 0 shots attempted and 0 on target.