Overview
- The club informed Katterbach on Tuesday in a meeting with sporting director Claus Costa, board member Stefan Kuntz and the coaching staff.
- He will train with the U21 for now, and a decision on competitive appearances in the Regionalliga Nord remains open.
- HSV characterizes the action as provisional and behavior‑related, setting a clear path back to the first team upon improvement.
- Officials emphasize this differs from last season’s sporting demotions of Levin Öztunali and Moritz Heyer.
- The club has not disclosed specifics of the misconduct, with reporting citing poor body language and frustration after limited early-season involvement following a rapid ACL recovery.