Ignore the homegrown, the price and whether Nunes is good enough for a minute - would you be happy for Livramento to be our RB against Madrid, PSG etc?
He's young, he should improve, but I've not really seen anything of him that suggests it's his level at the moment - admittedly, I've not paid huge attention when he's played for Newcastle, but he's not stood out. I don't see him currently being able to pocket a Vinicius Jr like Walker did. It's therefore a lot of money for the potential that he might be good enough for that.
If we get him, I hope he can provide what we need and improve to the level he'll need to be at, but for the price, it feels like he should be there already.