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 returned to Spain in 2008–09, upon his return to the Basque Country, he found himself excluded from coach Juan Manuel Lillo's plans and was sent on trial to Olympiacos FC.