The Champions League: Follow all of the action in our live hub

The Champions returns at last.

Mikel Arteta's Arsenal will be wanting to make amends against Shakhtar Donetsk after their disappointing defeat at Bournemouth.

Special European evenings return to Villa Park, as Unai Emery's Aston Villa host Italian outfit Bologna.

Eyes will also be on the box-office clash in Spain, as we see a repeat of last year's final - reigning champions Real Madrid host runners-up Borussia Dortmund.