Barcelona drew 3-3 against Inter Milan at Camp Nou last night.
Manager Xavi was left bemused with the number of mistakes made by Barcelona in the second half of the tie.
Captain Sergio Busquets felt the team didn’t react well when they went behind.
He believes it would be harder for Barcelona to go into the weekend facing Real Madrid in the El Clasico.
He said to Sport: “It’s a disappointment. It was a difficult group but we had to aspire to more after all of the signings that have been made. It is not mathematical(ly done) but it is very difficult.
“We were not as effective in the areas and you pay for that in the Champions League. It was a heads or tails and it has gone badly for us in the second half.
“Their first goal gave them a boost and took something out of us and we went trailing behind. It feels like when they score a goal it is chaos.
“It’s clear that this could affect us ahead of El Clasico. We have to lift ourselves.”
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