Ernesto Valverde warned his Barcelona players against complacency after their 3-0 Champions League semi-final first leg victory over Liverpool, reminding them they led Roma by a three-goal margin before making a calamitous exit just over a year ago.
The Blaugrauna beat Roma 4-1 at Camp Nou in the first leg of last season's quarter-final but lost 3-0 at the Stadio Olimpico as Eusebio Di Francesco's men pulled off a dramatic turnaround, and Valverde is wary of history repeating itself.
Luis Suarez scored against his old club to open the scoring before Lionel Messi's second-half brace left Liverpool with a mammoth task if they are to turn the tie around at Anfield next Tuesday.