Simplify the following text for a Grade 7 native English-speaking person.
Original: Harold `` Harry '' Kewell ( born 22 September 1978 ) is an Australian professional football ( soccer ) midfielder who currently plays for Turkcell SÃ 1\/4 per Lig club Galatasaray .
Simplified: Harry Kewell ( born 22 September 1978 , in Smithfield , Sydney , Australia ) is an Australian football player . He currently plays for Galatasaray in the SÃ 1\/4 per Lig and the Socceroos .