Barcelona's defensive frailties were laid bare in a 4-0 defeat to Athletic Bilbao in the first leg of the 2015 Spanish Supercopa on Friday night in the San Mames.
Aritz Aduriz registered a second-half hat-trick in the victory, which is the first against Barcelona in a decade, per Infostrada Sports:
Adúriz scores a hat-trick against Barcelona. He is the 1st player since Diego Forlán scored three on 22 May 2005 #FCBlive #ATHFCB #Supercopa
— Infostrada Sports (@InfostradaLive) August 14, 2015
According to ESPN Stats & Info, the four goals eclipse Athletic's combined total in their last three matchups with Barca.