The funny thing is that Tarkowski is very different to the other two, he is more of a traditional centre half. The other 2 and Dunk are more similar in style, Maguire looks pretty good but that might be down to how he is allowed to play.
He would be an even better player in a better team e.g. Man City as they make so many runs either short or long and I would expect them to encourage him to carry the ball forward.