Simplify the following text for a Grade 7 native English-speaking person.
Original: Juninho ( little JÃ nior ) full name Osvaldo JosÃ Martins JÃ nior ( born 7 July 1982 ) is a Brazilian footballer currently playing for Yuksak Liqa club FK Khazar Lenkoran as a midfielder .
Simplified: Osvaldo JosÃ Martins JÃ nior ( born 7 July 1982 ) is a Brazilian football player .