Simplify the following text for a Grade 5 native English-speaking person.
Original: Aloysius Paulus Maria `` Louis '' van Gaal ( ; born 8 August 1951 in Amsterdam ) is a Dutch football manager currently in charge of the German club Bayern Munich . Before his career as coach van Gaal played as a midfielder for Royal Antwerp and several clubs in the Dutch Eredivisie .
Simplified: Louis van Gaal ( born 8 August 1951 ) is a former Dutch football player .