Unai Emery's side face Young Boys in Switzerland from 5.45pm
Aston Villa are back in Europe's top competition tonight after an absence of 41 years.
Unai Emery's side face Young Boys in Switzerland from 5.45pm in their opening fixture in this season's Champions League.
At the same time, Juventus are at home to PSV.
There's an 8pm start at the San Siro, where AC Milan face Liverpool.
In tonight's other games, holders Real Madrid take on Stuttgart, Bayern face Dinamo Zagreb and Sporting meet Lille.

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