I think, if we're playing with wingers, it's going to be a 4-1-4-1, with Marchisio on the left and IQ/Diego/Camo/Candreva on the right, or DC on the left and Marchisio on the right.
You know, Zac might think Poulsen's superior techinical skills will be more useful further up the pitch.
Anyway, seriously, I wouldn't be one bit surprised if Zac actually fields that nightmare of a lineup against Milan.