[2] On 5 October 2019, he made his professional debut for the club in a 1–1 draw against Schalke, making him the youngest player to appear in the Bundesliga that year.
[5] On 18 January 2022, Köln announced on their website that they had transferred Katterbach to the Swiss Super League club FC Basel.
[6] On the same day, Basel announced in a press-release that Katterbach had signed a one calendar year contract with them, including the option of a definitive transfer.
During his time with the club Katterbach played a total of 42 games for Basel scoring the afore mentioned one league goal.
[10] On 17 January 2023, Hamburger SV announced on the club's website that they had signed Katterbach on a loan contract until the end of the 2022–23 season.