I really don't think it is about motivation today, there are at least 4 players that you can see they are tired Dimarco, Mihki, Darmian, Lautaro. (Maybe Hakan too?)
Mind you we had to defend with 10 men for a bit too last game.
Our usual system should work amazing against Sassuolo, and I understand why the hold back for Pavard like they are better at capitalize on that space indirectly, in short, it should be like a game against Forentina, hence the same line up and game plan, trouble is you have at least 4-5 players that are too tired to carry it out.
I am not saying we can start 4-5 different players, given our bench and opponent's style, but I would expect a much better game if Pavard and Frattessi started instead (might drain other players less too with fewer tired ones), and maybe a 60 mins sub for DiMarco and Lautaro if we are still leading at that point.
I still think our bench is good, but how many are injured already? All are impact subs too.
There are things Inzaghi can improve, but I won't pin too much on him for this one, cause if he did the rotation against la Real again today, y'all be wanting his head too..
It is a long season, once the rotation players settle and Inzaghi is more assure of them, we should be like a machine.