Simplify the following text for a Grade 7 native English-speaking person.
Original: MÃ rio Jorge Lobo Zagallo ( born August 9 , 1931 in MaceiÃ ) is a Brazilian football coach and former player of Lebanese and Italian ( venetian ) heritage .
Simplified: MÃ rio Zagallo ( born 9 August 1931 ) is a former Brazilian football player .