What we're covering here
We're back! Caught your breath yet after last night? Well, hopefully you've had a chance to recharge ahead of Wednesday's action with a couple of absolute monster clashes on the menu.
Who's playing? Liverpool can seal top spot in Group E with victory over Napoli at Anfield, though the visiting side can leapfrog the defending champion should it triumph. Barcelona can win Group F by defeating Borussia Dortmund, while Inter must overcome Slavia Prague to stand any chance of qualifying for the last 16.
Full time scores
Group E: Genk 1-4 Red Bull Salzburg, Liverpool 1-1 Napoli
Group F: Barcelona 3-1 Borussia Dortmund, Slavia Prague 1-3 Inter Milan
Group G: RB Leipzig 2-2 Benfica, Zenit St. Petersburg 2-0 Lyon
Group H: Lille 0-2 Ajax, Valencia 2-2 Chelsea