I'd revamp the midfield. Can (inevitable), Fabinho, SMS, Pogba, or Kovacic as that true quality signing in midfield, and some Italian Jabroni (customary) to wrap things up. I'd sell both Khedira and Matuidi to contribute to funding such a midfield revamp. Can, Top CM, and Jabroni, Pjanic, Bentancur, and Marchisio for midfield. The Accidental Footballer is shipped off to Genoa as a discount voucher in the Perin deal.
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Examples of Jabronis include Bonaventura and Can. Can is potentially not a Jabroni, as with consistent performances he can remove himself from that category. He also seems like a bit of a douche, so an attitude adjustment might help. Jabroni is not about quality or lack thereof on the pitch, but about style and charisma off it.
Darmian (closer to a Bidone than a Jabroni at present), and Bonaventura (classic example of a Jabroni) are both more qualified Jabronis than Can for example
You're not a Jabroni