Disappointment for Barca turned into compounded through the sight of a visibly disenchanted Ansu Fati going off injured inside the second half of everyday time at San Mames.
Fati best lower back earlier this month after months out with a hamstring trouble, having also come lower back in September following 10 months out with a knee damage.
Another spell at the sidelines for Fati could be a big blow to Barca's hopes of making La Liga's pinnacle 4. Pedri additionally requested to go off in greater-time.
Barca have been hoping to enroll in them within the final 8 however rather it is Athletic who strengthen, joining Madrid, Real Sociedad, Mallorca, Rayo Vallecano, Cadiz, Valencia and Real Betis in Friday's draw for the ultimate eight.
Barca won the Copa del Rey final season and protecting their title changed into probable their high-quality hazard of silverware this time period.
They are out of sight in La Liga and were crushed with the aid of Madrid in remaining week's Spanish Super Cup, with the Europa League now their handiest realistic last course to a trophy.
Only 102 seconds had surpassed whilst Iker Muniain sent San Mames apoplectic with the aid of collecting Nico Williams' pass at the again post, before turning and bending into the some distance corner.
But Barcelona were degree in the twentieth minute, and from a comparable attitude, as Torres shifted proper, inside Oscar De Marcos, and whipped a stunning shot into the internet.
Inaki Williams hit the bar with a protracted-range attempt late on but the real drama become nevertheless to return. Athletic idea that they had received it inside the 86th minute while Inigo Martinez prodded in at the again submit in advance of the sliding Gerard Pique.
