The Reds went two goals up in the first half through Daniel Sturridge and James Milner only for the Ligue 1 title-holders to restore parity via Thomas Meunier and, late on, Kylian Mbappe.
But Roberto Firmino, on from the bench just days after suffering an eye injury, found space to slam in a winner in stoppage-time to give Jürgen Klopp’s men the perfect start in Group C.
Here are five talking points from a thrilling night at Anfield…
Firmino has the final say
The Brazil international’s availability for this tie was in the balance right until the last, with the manager unable to confirm on Monday whether his No.