Don't see him as a massive upgrade, they perform different roles for a start, albeit in the same position on the pitch. I think we have more use for a player like Fernando than Carvalho but if Pep doesn't then so be it.
The main issue though isn't whether he's an upgrade on Fernando, with our current squad and positions that need filling we have to assume Fernando won't be in the squad when the squad lists are confirmed so there's nobody to upgrade on. Carvalho would be taking up a spot that's either earmarked for a fullback/attacker(sanchez) or he'll be taking the spot of somebody else in the squad, and i don't see anybody else that's expendable and certainly not for Carvalho. that's the issue here.
Bravo
Ederson
Kompany
Otamendi
Kolarov
Yaya
Fernandinho
Gundogan
Silva
KDB
Bernardo
Sane
Jesus
Aguero
new lb
new rb
new forward
That's how our foreign quota stands right now, completely full with space set aside for 3 key signings and no Fernando. How do you fit Carvalho into that?