He currently plays for MSK Zilina, wearing the number 7 shirt. He plays primarily as a Forward. His current market value is estimated at 150K €.

His most recent move was a from MSK Zilina U19 to MSK Zilina on 2024-07-01.

In the Slovak Nike liga 2025-2026 season, frantisek kosa scored 2 goals and provided 0 assists across 12 appearances, averaging 0.2 goals per game with 9 shots attempted and 5 on target.