Simplify the following text for a Grade 5 native English-speaking person.
Original: Genar AndrinÃ a CortabarrÃ a ( born May 9 , 1964 in Bilbao , Biscay ) is a former Spanish footballer , who played as a central defender .
Simplified: Genar AndrinÃ a ( born 9 May , 1964 ) is a former Spanish football player .