Alonso went back to Spain for 2008–09 but, upon his return to the Basque Country, discovered he was not a part of coach Juan Manuel Lillo's plans and was sent on trial to Olympiacos FC.
Alonso, after a stint in Spain, was not included in coach Juan Manuel Lillo's plans upon his return to the Basque Country. He was then given a trial at Olympiacos FC.