Management Player Transfers Coaching Changes Fan Culture Management Changes Personnel Changes Management Decisions Fan Reactions Match Outcomes Current Events League Performance Transfers Team Performance Bundesliga Management Issues Performance Analysis Season Overview Recent Events Coaching Current Season Manuel Riemann Ruhrstadion Sponsorships Criticism Marc Lettau Performance Executive Management Match Events Ilja Kaenzig Financial News Player Injury Union Berlin Player Incidents Injuries Statements and Reactions Legal Disputes Match Incidents Historical Context Youth Development Team Dynamics Fan Behavior Match Analysis 1. FC Union Berlin Frankfurt Fans Dieter Hecking Relegation Player Management Coaching Decisions Dirk Dufner Match Schedule Future Development Fan Engagement Legal Issues Player Performance Team Management History Match Performance Club Policies Coaching Candidates Season Analysis Health Issues Upcoming Matches Hans-Peter Villis Leadership Changes Coaching Staff