He currently plays for DJK Vilzing, wearing the number 6 shirt. He plays primarily as a Defender. His current market value is estimated at 75K €.

His most recent move was a from ASV Cham to DJK Vilzing on 2021-07-01.

Throughout the German Regionalliga 2025-2026, Mario Kufner featured in 20 matches, averaging 0.1 tackles, 0.1 interceptions, and 0.2 clearances per game, while blocking 0 shots per game.