Madrid have Rodrygo and Vinicius who are similar players, so actually not sure this signing is the right one for them. Not that it's stopped them before.
Seems like a classic United signing. Massive ego and commercial profile. It could go the same way as Pogba and Ronaldo.
With Bernardo leaving and Mahrez potentially going too, there's a spot for him at City and his presence would surely mean we'd dominate. However, I can't see him accepting what would be required of him at City i.e. being a team player.