Paris Saint-Germain host Liverpool on Wednesday night aiming to get their Champions League campaign back on track.
The reigning Ligue 1 champions are used to having things their own way on their own patch - but Jurgen Klopp's men will not be in France to make up the numbers.
Daily Football Tips
The Reds have their eyes fixed firmly on top spot and anything other than three points is likely to hand the advantage to Napoli, who face Red Star Belgrade on matchday five.
Neymar and Kylian Mbappe are injury doubts but, given the magnitude of the game, both attackers are expected to play some part.
After all, manager Thomas Tuchel can ill afford an early exit from European competition if he wants to keep his job beyond the end of the season.
Jurgen Klopp also needs a trophy to use as proof of his progress on Merseyside and would love nothing more than it to be the elusive 'number six'.
The corresponding fixture at Anfield produced a five-goal thriller and fans have their fingers crossed for another classic at the Parc des Princes.