Just been looking at your team /  current tactics - not sure if you changed anything at present or what your trying atm, but  why not try 4-3-2-1  supporting full backs (short passing and mark tight)  two centre backs  both (D) (short passing and mark tight) (plus vermaelen (is a beast on my save atm defensively and attacking near post on corners currently on 9 goals )  3 centre mids all alongside each other ( right of 3 ball winning mid (d) / middle advance playmaker (s) and deeplying playmaker (D) all with short passing and shoot less - with 2 inside forwards ( support - and shoot less / short passing and roaming ) and I play currently with a deep lying forward (A) with shoot less short passing - 
All this with control and fluid  - short passing, play out from back, hassle , push higher up, work ball into box, look for overlap.
Maybe try Allen as play maker , Jack as AP and depending on who is best for your ball winning mid, (depending n stats) with ozil and the ox on the wings 
Maybe see if that helps?