 Complete the following phrase:  He is a product of Fiorentina youth teams and started playing for their Under-19 squad in the 201516 season at the age of 17. He started making bench appearances for Fiorentinas senior squad in the 201617 Serie A season. On 23 August 2017, he made his first appearance for Fiorentinas senior squad, coming on as an 87th-minute substitute for Bartłomiej Drągowski becoming Fiorentinas third goalkeeper of the game in a friendly Trofeo Santiago Bernabéu matchup against Real Madrid. In 201718 season, he appeared on the bench in most of the 