"We would have rather had Dimitar on July 1 than August 31," reflected Ferguson.
"He will improve us, there is no question about that at all.
"But we are playing catch-up fitness-wise.
"It is difficult to say how long it will take because he is quite a languid mover.
"He is a very quick decision-maker, though, and he has a composure and calmness about him."