4-3-2(AML/R)-1.

If you feel you need a stronger Def go for DMC and make it 4-5-1 VStyle but he has no AMC, so not much need for DMC. If you want to go more defensive than that try 5 at the back i.e. 5-2-2-1.

IMO the first one at the 3 MC's will increase your possession.