A look at where it all went wrong for Ernesto Valverde's side in the Italian capital and how the problems can be addressed to avoid a repeat next term
Barcelona have been here before. Tuesday night's Champions League loss and European exit at Roma may have come as a huge shock, but it is also the latest in a series of disappointments for the Catalan club in the continental competition in recent seasons.
Since winning the treble under Luis Enrique in 2014-15, Barca have been knocked out three times in a row at the quarter-final stage and this latest defeat opened up some old wounds for the Blaugrana.