Xabi Castillo Now Joining Athletic Bilbao?

After it seemed almost certain Xabi Castillo would be joining Racing Santander its been reported in the Spanish media that Xabi Castillo could make a sensational move to Athletic Bilbao and follow in the footsteps of Iñigo Díaz de Cerio. Athletic are looking for a left back and have been linked with Manchester City's former Real Sociedad full back Javier Garrido and Osasuna's Ignacio Monreal although from speaking to some Athletic fans the general opinion is Monreal would be the preferred option.