Gerard Pique conceded Barcelona were deservedly beaten by Athletic Bilbao, saying the defending La Liga champions were 'put in our place' at San Mames.
A stunning overhead kick from veteran substitute striker Aritz Aduriz in the 89th minute snatched all three points for the home side in the opening Spanish top-flight match of 2019-20.
Barca hit the post through Luis Suarez - who went off injured in the first half with a muscle injury - and replacement Rafinha struck the crossbar, but they were largely lacklustre in attack without captain Lionel Messi, who is sidelined with a calf problem.