Chelsea's interim coach Guus Hiddink is already working on a way to combat Barcelona's attacking prowess without a recognised left-back.
Ashley Cole's second-half booking in Tuesday night's astonishing 4-4 draw with Liverpool has left the Blues with a real headache when Chelsea meet the Spanish giants in the first leg of their Champions League semi-final at the Nou Camp in a fortnight.
"The left-back situation might cause problems but we have time to think how we might resolve it," said Hiddink.
"Barcelona are a very advanced team with very skilful players. They know how to handle the pace. I like their philosophy of football.
"They sign players who are attractive to watch. They like to play advanced attacking football and it is difficult to play them because they are a top side."
After going in at the break 2-0 down following strikes Hiddink revealed his anger at his side's performance.
"We talked to them, my colleagues talked to them and sometimes you lose a bit of your temper," admitted Hiddink. "But they react and they also knew the first-half was not okay.
"But if you give a team like Liverpool too much space then you are in trouble. We were angry because we didn't start as we planned and we know Liverpool are a good team tactically with very skilful players.
"Tactically but also mentally we said to each other, that it was not the way we would start the second-half. That's why I like to work with this team, it reacts.
"We knew that we could score and happily we did rather early after the beginning of the second-half."
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