Agree with Dave W Jack's gotta play in the middle.
Can't see it though, not in a 3-4-3. Samatta in the middle, Jack one side, El Ghazi on the other.
I'd like to see him more central in a 3-5-2, ie
Reina
Konsa Mings Hause
Guilbert Luiz Jack Nakamba Targett
El Ghazi Samatta