[1] Aldegheri played for the Parma Clima of the Italian Baseball League in 2019 and 2020.

[2] He made his professional debut in 2021 with the Rookie-level Florida Complex League Phillies before being promoted to the Low-A Clearwater Threshers.

[3] Aldegheri returned to Clearwater for the start of the 2023 season before being promoted to the High-A Jersey Shore BlueClaws on August 3.

[3] After the 2023 season ended, his control was ranked the best in the Phillies farm system by Baseball America.

[7] While other Italian-born pitchers had previously appeared in the major leagues, such as Marino Pieretti,[8] Aldegheri became the first pitcher born and raised in Italy to appear in an MLB game,[9] when he made his debut with the Angels on 30 August.