This is basically how it will look in defence Vs when we're attacking.
We've already seen De Zerbi deploy this kind of system when we are lacking full backs, a CB at full back who steps inside to become a CB when we're in possession.
In this case it might work as he has Lamptey operating behind him.
If so it means Lamptey will overlap and defenders have to worry about Facu playing him in or cutting inside.
A lot of the time Buonanotte has been on the wing it's been Groß or Veltman at RB who don't exactly have blistering...