Lacklustre Liverpool beat Midtjylland 2-0 on Tuesday to make it two wins out of two in the Champions League but their defensive problems mounted as Fabinho limped off injured.
Casemiro scored a last-gasp equaliser as Real Madrid fought back from two goals down to snatch a 2-2 draw at Borussia Moenchengladbach on Tuesday and avoid a second straight loss in the Champions League.
Joao Felix scored twice, including a late winner, as Atletico Madrid came from behind to beat Salzburg 3-2 in the Champions League on Tuesday.
See results:
Lokomotiv Moscow 1 v Bayern Munich 2
Atletico Madrid 3 v Salzburg 2
Shakhtar Donetsk 0 v Inter 0
Borussia Moenchengladbach 2 v Real Madrid 2
FC Porto 2 v Olympiacos 0
Marseille 0 v Manchester City 3
Atalanta 2 v Ajax 2
Liverpool 2 v FC Midtjylland 0