Simplify the following text for a Grade 5 native English-speaking person.
Original: JosÃ Roberto da Silva Jr. ( born 6 July 1974 in Ipiranga ) , commonly known as ZÃ Roberto , is a Brazilian footballer who plays for Hamburger SV in the German Bundesliga .
Simplified: ZÃ Roberto ( born 6 July 1974 ) is a Brazilian football player . He plays for Hamburger SV .