Pogba or Aouar+a starting LB yes, then we see if we can afford Locatelli and maybe a back up CF.
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You start by shipping out players who earn high salaries without offering something on the pitch to justify their salaries (Rabiot and Ramsey), then you buy the best midfielders -because by now everybody knows it’s our weak point- you can afford to replace them (Pogba/Aouar and Locatelli for example) and the coach decides who starts when. Buying Tolisso would be completely pointless and redundant at this point.
Same applies to the LB position given Sandro’s age and declining performances and Frabotta’s quality.