Originally published at: Ange Postecoglou's ruthless efficiency coming to fore at Celtic this window
Celtic manager Ange Postecoglou would be entitled to still be sighing in relief that the summer transfer window is done, even though it’s January. In hindsight, it was an absolute frenzy. 12 players were brought in, with some more important names signed either towards the end of the window, or on the deadline day itself.…