4-3-3 vs 4-2-3-1 over the coming seasons.

With the signing of Oscar we could well be moving back to the 4-3-3. The main reason we switched from the 4-3-3 to the 4-2-3-1 was to allow Mata to play more centrally but with the signings we could play more effectively in a 4-3-3. The only thing stopping us is Mata's poor defending. I believe if Mata is played down the right we won't be as defencively weak because he would have Ivanovic and Ramires behind him.

Something like this could be deployed in some matches next season:

And into the future:

Of course the 4-2-3-1 could also work:

And in the future:

Personally the future 4-3-3 squad looks stronger.

thoughts?