Aeroplane crisis summits, deceptive teamsheets and a blasé owner who thought the game was up – the secrets behind football’s greatest comeback as Barcelona shocked the world to beat PSG 6-1
PETE JENSON: Back in March 2017 they had won the first game 4-0 only for Barcelona to do what no team had ever done before and overturn a four-goal deficit with a 6-1 second-leg victory.