Simplify the following text for a Grade 5 native English-speaking person.
Original: Gilberto MartÃ nez Vidal ( born October 1 , 1979 in Golfito , Costa Rica ) is a Costa Rican footballer .
Simplified: Gilberto MartÃ nez ( born 1 October 1979 ) is a Costa Rican football player . He plays for Brescia and Costa Rica national team .