Kacper Potulski

Kacper Potulski (born 19 October 2007) is a Polish professional footballer who plays as a centre-back for club Mainz 05 and the Poland national team.

Club career As a youth player, Potulski joined the academy of Lechia Gdańsk. In 2021, he moved to the youth academy of Polish side Legia Warsaw.

Ahead of the 2023–24 season, Potulski joined the youth setup of German Bundesliga side Mainz 05 at the age of fifteen. He was promoted to the club's senior team in 2025, where he played in the UEFA Conference League.

International career Potulski is a Poland youth international. During May 2024, he played for the Poland under-17 team at the 2024 UEFA European Under-17 Championship.

In May 2026, he was called up to the Poland national team for the friendlies against Ukraine and Nigeria. He made his debut as a second-half substitute in a 2–0 loss to Ukraine on 31 May. Three days later, Potulski scored his first international goal in the 45th minute of a 2–2 draw against Nigeria. At the age of 18 years and 227 days, he became the fourth youngest goalscorer for Poland.

Career statistics Club

International

Scores and results list Poland's goal tally first, score column indicates score after each Potulski goal.

+ List of international goals scored by Kacper Potulski No. Date Venue Opponent Score Result Competition 1 3 June 2026 Stadion Narodowy, Warsaw, Poland 1–1 2–2 Friendly