When did Bayern Munich win their first competitive game under Barcelona's former manager?
Louis van Gaal Aloysius Paulus Maria "Louis" van Gaal, (] ; born 8 August 1951) is a Dutch football manager and former player. He was formerly manager of Ajax, Barcelona, AZ, Bayern Munich, the Netherlands and Manchester United. He is one of the most decorated managers in world football, having won 20 major honours in his managerial career.
Hans Pflügler Johannes Christian "Hans" Pflügler (born 27 March 1960) is a German retired footballer. He could operate as either a left back or a central defender, and played solely for Bayern Munich, winning eight major titles and appearing in nearly 400 official games.