Have you tried dropping a mid to defensive mid and putting his closing down to high? When I play wing backs in a 4-1-2-1-2 my defensive mid will often drop into the wide positions to cover for the attacking backs. With no support on the width defensively and no midfield help, I don't know if...
Your Formation
I thought I might try and explain a little why that formation will have difficulty succeeding.
In the modern game control of central midfield is paramount. Whether you choose to shut down your opponents chances to pass/dribble through the middle, or control the middle through...