Simplify the following text for a Grade 8 native English-speaking person.
Original: Alcides Fonseca JÃ nior , best known as Juninho Fonseca or just Juninho ( born in OlÃ mpia , SÃ # o Paulo State , August 29 , 1958 ) is a former football ( soccer ) player in central defender role .
Simplified: Juninho Fonseca ( born 29 August , 1958 ) is a former Brazilian football player .