He currently plays for FK Omarska, wearing the number 55 shirt. He plays primarily as a Defender. His current market value is estimated at 50K €.

His most recent move was a from Rudar Prijedor to FK Omarska on 2026-02-16.

Throughout the International Club Friendly 2025, Mario sajak featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.