Ernesto Valverde insists Athletic Bilbao have not yet won the Supercopa de Espana despite their commanding 4-0 victory against Barcelona in the first leg on Friday.

The coach watched as Mikel San Jose netted a superb 45-yard opener before the floodgates opened in the second half with Aritz Aduriz's hat-trick against last term's treble winners, who rotated their team following Tuesday's Uefa Super Cup win over Sevilla. Nevertheless, Valverde is refusing to let his team be lulled into complacency, warning that their hosts for the return leg of the