German arms manufacturer and technology company Rheinmetall has become a sponsor of Bundesliga club Borussia Dortmund in what club CEO Hans-Joachim Watzke named ‘a new normality’ in connection with security in Europe. Dortmund on Wednesday announced a three-year partnership which is reportedly worth a seven-digit yearly sum. Rheinmetall will not be Dortmund shirt sponsor, but appear “in a sports and social context as a ‘Champion Partner'” with wide-ranging advertising rights. The company’s logo will be visible on advertising boards around Dortmund’s preparations for the Champions League final …