Simplify the following text for a Grade 6 native English-speaking person.
Original: GÃ rson de Oliveira Nunes , generally known as GÃ rson ( ) , ( born January 11 , 1941 in NiterÃ i ) , nickname Canhotinha de ouro ( literally : Golden left foot ) is a Brazilian footballer .
Simplified: GÃ rson ( born 11 January 1941 ) is a former Brazilian football player .