He is on the books of Kirklarelispor and wears shirt number 42. His main role on the pitch is Forward. His stronger foot is Right. His estimated market valuation currently stands at 50K €.

His latest transfer saw him join Konyaspor from Kirklarelispor via Loan on 2026-06-30.

During the Turkish Second League 2025-2026 campaign, M. Büyüksayar made 17 appearances, scoring 1 goals and adding 1 assists. He averaged 0.1 goals per match from 0 shots, with 0 on target.