Five memorable Champions League knockout-stage combacks

Barcelona completed what was the greatest-ever comeback in the history of the Champions League knockout stages when they overturned a four-goal first-leg deficit against Paris St Germain but now they have to perform another escape act against Juventus.

The Italian champions won the quarter-final first leg 3-0 in Turin with goals from Paulo Dybala (2) and Giorgio Chiellini, leaving Luis Enrique's side facing another uphill task to make it to the semi-finals.