Chelsea lead 2-0, and Paris, completely rattled, look out of answers. At the earlier cooling break, Luis Enrique tried to rally his squad, but the gulf is glaring. Palmer is simply unstoppable, and the Blues are setting a relentless tempo as the match hits the half-hour mark.

How Chelsea’s date with destiny could change the trajectory of Enzo Maresca’s tactical evolution - Maresca’s tactical philosophy is finally beginning to reap rewards at Chelsea - but a mammoth test li