Karl, 17, made his debut for Bayern during the Club World Cup, coming on as a substitute against Auckland City. He quickly caught the attention of fans and pundits alike, impressing with his performances in preseason friendlies, where he scored against Tottenham and Grasshopper Zurich.
He made his Bundesliga debut in the 2025-26 season opener against RB Leipzig, showcasing his potential on the big stage. Impressed by his promise and work ethic, Bayern moved to secure his future with a contract extension that keeps him at the club until 2028.




