Simplify the following text for a Grade 6 native English-speaking person.
Original: Juan RomÃ n Riquelme ( born June 24 , 1978 in San Fernando , Buenos Aires ) is an Argentine footballer who plays for Boca Juniors .
Simplified: Juan RomÃ n Riquelme ( born 24 June 1978 ) is an Argentine football player . He plays for Boca Juniors .