VENUE: Stade Fenix
Having drawn with Monaco in their first-ever Champions League match, Leipzig are embarking on their first away fixture in the competition.
It's not quite make-or-break but PSG vs. Bayern is huge for Unai Emery, who is dealing with the stress of Cavani vs. Neymar and a tough dressing room.
Ronaldo has yet to score in La Liga this season, having missed the first four games through suspension.
Spartak Moscow coach Massimo Carrera says he has spoken to Chelsea boss Antonio Conte ahead of his side's Champions League encounter with Liverpool.
"Borussia Dortmund vs. Real Madrid is, already, a 24-karat European Clasico. Make no mistake about it." Graham Hunter previews Tuesday's game.
Cesc Fabregas says Chelsea manager Antonio Conte and Atletico Madrid coach Diego Simeone are both similar in how they drive their teams on.