Simplify the following text for a Grade 7 native English-speaking person.
Original: SÃ rgio LuÃ s Donizetti , best known as JoÃ # o Paulo ( born in Campinas , September 7 , 1964 ) is a Brazilian footballer striker .
Simplified: SÃ rgio LuÃ s Donizetti ( born 9 July 1964 ) is a former Brazilian football player .