Ah, the Champions League. I want it so badly, but have stopped daring to hope. It'll only end in tears again.
We have to put out our best lineup. No faffing about with false fullbacks or elbow back fours. Unfortunately, Pep will Pep (he didn't do anything mad in the CL last year and will look to make up for lost time), and we're likely to see a lunatic decision from him at some point or another.
Ortega
Walker/Dias/Laporte/Ake
De Bruyne/Rodri/Bernardo
Mahrez/Haaland/Grealish
It won't happen, but I think Ederson needs to be taken out of the firing line. It's for his own good, as well as ours. Everything has been flying past him recently, and he needs to learn he's not undroppable. A benching may be the way to clear his head.
In buildup, Bernardo has to drop into the DM space alongside Rodri to offer himself as an option. Off the ball, he has the energy to get himself further up the pitch to press Leipzig from higher. Gundogan is more technically secure, but he doesn't have the legs to do that.
I think we'll be in for a rough time. Leipzig are a very dangerous team, and we all saw last season that they can sting us pretty nastily.