Did you know?
Aston Villa will be the sixth different team Unai Emery has managed in the Champions League, following spells with Valencia, Spartak Moscow, Sevilla, Paris Saint Germain and Villarreal.
The only manager who has taken charge of more than six different sides in the competition is Carlo Ancelotti with eight.
And according to the Opta predictor, Villa have a 0.2 per cent chance of winning the competition, with Manchester City most likely to lift the trophy at 24.9 per cent.