No team had overturned a 4-0 deficit from the first leg of a Champions League in the modern era prior to this game, and Luis Enrique’s side created history with this 6-1 triumph against Paris Saint-Germain. Unai Emery’s side had this game in the bag after Edinson Cavani’s away goal and Barcelona having taken key midfield players like Iniesta and Rakitic off, but the Blaugrana got the three goals they required in the last eight odd minutes of the game to secure what will go down as the greatest comeback in CL history