Maguire is the one we need.I first saw him play in Hull and was impressed with his ability on the ball for such a big man,calmness he has,but also his strenght,size,aerial ability is what we miss.For his questionable pace,he compensates it with very good positioning.
Except Smalling who is good in the air not one other centre back we have can head the ball but Smalling is shit on the ball,clumsy almost breaks leg when trying to pass and also is not strong enough,gets bullied by much smaller players which is embarrassing and always on the verge of a yellow card and with VAR coming,many problems come for him.