Manchester City make the trip to Marseille for their second Champions League group game as Pep Guardiola's men look for consecutive European victories.
City recovered from a nervy opening to see off Porto 3-1 but face a tricky test against the French side managed by former Chelsea and Tottenham Hotspur boss Andre Villas-Boas.
Also in action are Real Madrid who take on Borussia Monchengladbach as they look for their first points following their shock loss by Shakhtar Donetsk, whilst Atalanta welcome Ajax and Atletico host Red Bull Salzburg.
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