Sergio Aguero scored a 90th-minute penalty in City's 2-1 victory away to Borussia Monchengladbach
United also won 2-1, as they got past another German team, Wolfsburg, at Old Trafford.
Despite manager Brendan Rodgers being under pressure, Liverpool can extend their unbeaten run to five games in all competitions this evening.
They're at home to Swiss side FC Sion in their second Group B fixture in the Europa League.
Rodgers says his players will need to be patient for large parts of the game.
While, Tottenham want to make it 2 wins out of 2 in Group J when they play away to French league side Monaco.
Celtic have Turkish team Fenerbahce at Parkhead in Group A.
