According to well-known reporter Romano, Mainz has negotiated a contract renewal with Potulsky.

17-year-old central defender Potourski's contract with Mainz expires in 2026. Romano revealed that the two parties have reached an agreement to renew the contract until 2028, including the option to extend it to 2029. Mainz is very optimistic about Potulsky's future, and the Polish young player is training with the first team for pre-season.

Potulsky is 1.95 meters tall, playing for Mainz II team 4 games and giving 1 assist.