We've got two absolutely world class players; Haaland and Rodri
After that, we've got Ederson (leaving), Dias, Gvardiol, and Marmouch who have more or less lived up to expectations this season. Grealish has shown that he can operate in a central position, but hasn't been given enough opportunity by Pep to prove it. He's never been a £100m player imo and will be moved on in the summer.
The rest have been a mixture of past it at top level, injury prone, burned out, too raw, or out of their depth. I think we all know pretty well which players fall into each category.
Personally, I think we need at least ten more top quality signings in this 'rebuild'. That's at least 2 or 3 transfer windows. If we miss out on CL next season, we've got big problems attracting top players.
As I've said many times on here, the 'clear out' and 'rebuild' should have started the day after we won the CL.