Barcelona lose first La Liga game of the season . Won 1 - 0 by Athletic Club at Los Mames . Goal by Iker Sánchez in second half gives Bilbao famous nickname . Juventus stay top in Italy with 1 - 0 win over Udinese .
Barcelona lose first La Liga game of the season . Beaten 1-0 by Athletic Bilbao at San Mames . Goal by Iker Muniain in second half gives Bilbao famous victory . Juventus stay top in Italy with 1-0 win over Udinese .