10 Champions League talking points as Liverpool eye history and Jurgen Klopp wants revenge After more than a month, the Champions League is back.
They would become the first side to do so in the Champions League's new era, with a win likely to see them claim top spot.
Liverpool currently lead the way in the league phase, with Arsenal and Aston Villa joining them in the top eight.
The Reds have won all six of their games in this year's competition, though Tuesday's game could be a difficult test.
This season's competition has been more difficult for Manchester City, who find themselves at serious risk of missing out on the knockout phase entirely.