Barcelona boss Gerardo Martino has admitted that his side must be 'calm' in tonight's Champions League quarter-final first leg against Atletico Madrid.
The two teams have met three times already this season, with the shares spoiled on each occasion.
"We can't go out there and play a wild game; we need to keep some order," Martino told reporters at a press conference.
The last time that the pair met at the Camp Nou was in a La Liga clash last season, when Barcelona were 4-1 winners on their way to claiming the title.
The second leg will take place at the Vicente Calderon next week.
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