According to Maksymilian Dyśko from TVP Sport, Warta Poznań was not going to use the contract extension option for 26-year-old Polish-German attacking midfielder Marcel Zylla, which would have resulted in Zylla leaving the club as a free agent. However, Marcel Zylla himself provided information that his expiring contract has been extended, and the document connecting the player with the club is valid until June 30, 2027. During the 2025/2026 season, Zylla made 25 appearances in the Betclic 2 Liga, scoring 5 goals and providing 1 assist.