I don't have a problem with Hernanes per se, in fact I want to see him play more often. But in that position? I'd much sooner be trialling Kovacic or Brozovic there.
I predict we'll be impotent and utterly disconnected in attack, yet grande Mancini will make no subs until the 80th minute - probably Kovacic for somebody. Napoli will be surprisingly tame but then through our failure to properly deal with a routine set piece, we'll concede a very scrappy goal in the 93rd minute. Shortly following this goal Mancini will make his second and final sub - Campagnaro for D'Ambrosio. Thus will continue 19 years of below-mediocrity at the San Paolo.