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.
Fernando Hierro Fernando Ruiz Hierro (] ; born 23 March 1968) is a Spanish retired footballer, and a current coach. He is mostly known for his spells with Real Madrid and Spain, appearing in more than 500 official games with the former and representing the latter on nearly 90 occasions, while appearing in four World Cups and two European Championships.