Juan Carlos ValerÃ n ( born 17 June 1975 ) is a Spanish football player . He plays for Deportivo La CoruÃ a. Juan Carlos ValerÃ n Santana ( born June 17 , 1975 in ArguineguÃ n , Gran Canaria ) is a Spanish footballer who plays for Deportivo de La CoruÃ a , as an attacking midfielder .