Tottenham Hotspur may make some midfield changes this summer as Ange Postecoglou heads towards a third transfer window at the club. Saturday’s defeat at Newcastle United was understandably disappointing but Postecoglou’s first season in charge has been mostly positive. Tottenham fans have attacking football to watch again and the trajectory of the club looks much more positive than it did a year ago. Postecoglou has only had two transfer windows at Tottenham and whilst recruitment has been solid, he still needs to really mould this Spurs squad. Midfield changes seem likely with Pierre-Emile Ho…