Thing is this. Götze is the most talented cam in the world under 30. we dont have a single natural cam, everything we play there used to be a forward or winger, and is about dribbeling, running and receiving the ball, rather then playmaking. its a real missing link we have. There also isnt a single winger out, with comparable talent to Gôtze that we could remotely get. in a normal market, we'd be far from able to get a such a player.
Another thing is the issue with improving the team based on the midfield. When your central midfield is the star, you need wingers that will complement it, rather then limit it. This is rather difficult thing to do. There are bitter few of such wingers about. I can think of Di Maria and Reus and thats about it. However, nearly all the top class wingers, need to be supported.
With Marchisio, Khedira and Pogba, you get this. You can perfectly put a cam in front, because you now only have 1 true b2b instead of 2. You could switch 4231 later from approath or without Pogba. You'd have the cam, and you'd get the promising wingers in.
"planning ahead" in this regard, is seeking the possible current and future formations (imo 4321/4312/4231), and look what you need. Well we got 2 excellent holding mids, we got a pogba, we got talented wingers that arent starters, a great ss talent, and high class forwards.
"planning ahead", is getting the cam that every formation need, because its not in your youth, while it has plenty of wingers.
Oh and berardi and coman arent cam's. Far from having the required skillset for it
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For the record, if we actually had a highly promising cam in our youth, i wouldnt be advocating Götze so much.