Kacper Potulski Siblings: Getting to Know Maks Potulski

Kacper Potulski is a Polish footballer, currently playing as a centre-back for 1. FSV Mainz 05 in the Bundesliga and representing the Poland national team. He was born on October 19, 2007, in Gdańsk, Poland, and stands at a height of 1.95 meters. Potulski's talent was nurtured in the youth sections of Lechia Gdańsk and Legia Warsaw before joining Mainz as a teenager.

His remarkable attributes, such as physical presence, speed, composure, and maturity, have garnered significant attention in both Poland and Germany. He has a brother named Maks, and their parents are Kamila and Bartosz Potulski. Potulski's professional career began in Lechia Gdańsk's academy, where he remained until 2021. He then transferred to Legia Warsaw's youth setup, where he made appearances in the Polish U-19 league at just 15 years old.

In 2023, he joined Mainz 05's youth ranks in Germany and quickly moved up the ranks, making his senior debut in October 2025 for Mainz in the UEFA Conference League. Potulski's senior debut for Mainz in the UEFA Conference League in October 2025 against Omonia Nicosia was a strong performance, which helped Poland advance in the tournament.

Later that year, he made his Bundesliga debut for Mainz, becoming the youngest player in Mainz history to start a Bundesliga match. He scored his first professional goal in a 2-2 draw against Bayern Munich, which also made him one of the youngest scorers against Bayern Munich in Bundesliga history. In May 2026, he made his senior international debut for Poland, scoring his first goal in a 2-2 draw against Nigeria.

Potulski has received several accolades for his age-related milestones and performances, including being the youngest player in Mainz 05 history to start a Bundesliga match and one of the youngest Poles to score in the Bundesliga. His performances have impressed coaches, with many describing his play as that of a much older player.