Xavi has urged his side to learn from their recent performances against Espanyol and Intercity after a couple of underwhelming showings after the World Cup.
Barca followed up the weekend’s draw with Espanyol with a wild 4-3 win over Intercity, needing extra-time to see off the third-tier side.
Xavi admitted he wasn’t too happy with the way things went and felt his team should have killed the game off earlier.
“We can’t be happy but these things can happen in the Copa,” he said.
“Seven top flight teams have been knocked out.