Simplify the following text for a Grade 5 native English-speaking person.
Original: Lothar Herbert MatthÃ us , ( born 21 March 1961 in Erlangen , West Germany ) is a German former football player who is currently the head coach of the Bulgaria national football team .
Simplified: Lothar MatthÃ us ( born 21 March 1961 ) is a former German football player . He has played for Germany national team .