Simplify the following text for a Grade 7 native English-speaking person.
Original: Mauro Geraldo GalvÃ # o , best known as Mauro GalvÃ # o ( born December 19 , 1961 in Porto Alegre ) is a former Brazilian football ( soccer ) player and current manager .
Simplified: Mauro GalvÃ # o ( born 19 December , 1961 ) is a former Brazilian football player .