It looks like FBREF comparison stats with other centre backs is just based on European games then, based on 8 games over the last year. It's not the best sample size but he's in bottom 20th percentile for percentage aerial duels which doesn't come as a surprise.
I honestly think everyone is so desperate for signings that they're going to be positive about any signings even if it goes against their best judgement. It seemed like most people on this forum managed to convinced themselves the fact Maguire can't run wouldn't be an issue because it's "all about positioning" or whatever the spiel was, just so we could put a positive spin on a signing that clearly had severe limitations (and I tried to convince myself of this also).
I'd bet decent money that at the end of the season the whole forum will be questioning whether he has the physicality needed to be a first choice centre back for us. If he's not going to be a guaranteed mainstay in our centre of defence long term, it will feel like a bit of a wasted signing. It's incredibly likely he's going to lose a lot of duels on long balls and crosses, more than a truly aerially dominant centre back should. Logically he just won't be able to consistently come out on top against the most physically and aerially dominant players in the oppositions teams. He may be great in other areas, but I don't see why we should be constantly trying to compromise and compensate for significant weaknesses when we don't have to. We're hoping we have an exception, we're hoping we get away with it, we're hoping it won't be an issue.
I could be wrong so I guess we'll revisit in a year's time.
Hm most of the top six don't lump it forward to the strikers, so general defensive attributes + composure on the ball are what we need in those games. One consideration with guys who aren't good in the air is general physical strength. Does he get outmuscled by attackers easily?
The stats seem .. bad, so I'd love to know.
Dribblers tackled 98th percentile, Dribbles contested 98th percentile, Dribbled past
12th percentile.
Pressures 71st percentile, Successful Pressures 36th percentile, Successful pressure percent 1st percentile.
Yikes, this is almost like a Fred in defence.
Outside the top six:
Guys like Jimenez, Toney, Antonio, DCL, Wood might give him some trouble in aerial duels. I'm trying to find specific situations where his lack of height is troublesome.
Balls lumped forward in the general direction of the striker aren't very accurate a lot of the time. Even if they are, the key is to win the second ball rather than the initial aerial duel. During goal kicks he will have support around him.
Might get out muscled with crosses into the box from LW. Again these aren't extremely accurate and maybe we'll concede 2-3 goals this season as a result of him being out jumped by guys like Chris Wood. Makes a bad highlight reel but worth the trade-off if it results in better on the ball performance for the whole season.