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.
2008–09 FC Barcelona season In 2008–09, Futbol Club Barcelona started a new era with a new manager, former player and Barcelona Atlètic coach Pep Guardiola, who led the team to the first treble in Spanish football history. After selling off high-profiled players such as Deco and Ronaldinho, Barcelona played scintillating football throughout the season, winning the Copa del Rey, La Liga and the UEFA Champions League. This Barcelona squad is considered as one of the best in history.