It's an uphill battle for Los Blancos, but the comeback kings will give it a chance. They need to win by three goals to force extra time, while a four-goal win or better will see them through to the last four. Scoring early will be pivitol, but even a two-goal victory won't be enough.

Explaining how the new Champions League format works . Each team will play eight games in the new league phase of the tournament, against eight different teams. Four games at home

Follow 5 live final score updates and text updates from the Champions League last eight as PSG beat Aston Villa and Barcelona cruise against Borussia Dortmund.