He is on the books of DJK Vilzing and wears shirt number 6. His main role on the pitch is Defender. His estimated market valuation currently stands at 75K €.

His latest transfer saw him join DJK Vilzing from ASV Cham via on 2021-07-01.

Across the German Regionalliga 2025-2026, Mario Kufner appeared in 20 matches and averaged 0.1 tackles, 0.1 interceptions, 0.2 clearances, and 0 blocked shots per game.