Yeah Andy Carroll was terrible, definitely makes my top 10 list of worst signings in the league. Definitely the worst LFC signing in my lifetime.
Wan Bissaka's ended up a poor signing and maybe it was too early for him to make a big move after just one top flight season where he looked brilliant. Honestly, I think he's just a bit unfortunate that modern football seems to call for these really well rounded fullbacks and he's more of a "traditional" fullback that's less well rounded. I think there's a case to be made that United in recent years is not a good place for promising young players to develop & I also think there's a case to be made that he wasn't really the right sort of fullback that United needed to sign.
Honestly, I think Maguire and AWB could yet salvage their United careers. I think it'd be harder for Maguire, because he'd have to accept he's not a leader and isn't fit to be captain - and I'm not sure he'd agree with that. But I don't think it's a coincidence he's looked best when paired next to Johnny Evans. But put them in a back 4 where they've got actual defensive organisation and a midfield that helps them out... I doubt they look as shit. Or go full Southgate and just have the most basic defensive tactics you can think of
But I do think they'll always be viewed as players that failed to live up to initial expectations. I'm also not sure this dysfunctional United side was the best place for AWB to develop after his brilliant breakout season at Palace - maybe he made his move to a big club too early like Zaha did before him? Cos Zaha was a flop earlier on in his career, but now that he's back at Palace he's ended up kicking on pretty massively - I think if United had signed Zaha as good as he is today (or last year) he'd have ended up being considered a really good signing.
But Pogba's definitely my #1 pick for absolute worst signing in the league. He's got the talent, he's just not arsed more often than not. A few world class passes every once in a while doesn't make up for the fact he's basically the opposite of what United fans were promised when it was announced he re-signed with you lot.
Even though I fucking hate United, whenever I watch him play like dogshit (which tbh is 95% or more of the time I see him play) I can't help but think "I am so fucking glad he doesn't play for Liverpool" - I'd absolutely hate watching him play. And @DeadLinesmanis already angry enough already, can't be good for his heart having to watch Pogba act like he's god's gift to football despite the state of your midfield.