MOM. His energy, passing and movement in the 2nd half were a pain in the ass for Napoli. They just couldn't keep up anymore and that NEVER happens with Napoli. If anything, their fitness is their biggest assist.
but i get it...it's not like they had previous examples of provincial sides that struggled in CL and league in recent years to learn from (Lazio, Chievo, Udinese) nope non at all...