It is a pity that Frenkie de Jong ultimately stayed at Barcelona. He also seems to be a kind of 2nd choice there and will often start on the couch. At Chelsea or United, he would certainly have become a base player. Maybe another attempt in December, but since it didn't work out recently, I don't think it will work in the winter either. He wants to stay at Barcelona at all costs because Barcelona still have to pay him a lot of money. Unless a club wants to take over that debt.