Nottingham Forest have caught a lot of people off guard with the impressive start they’ve made to the current campaign, and even one former Manchester City star is singing their praise. Nuno Espirito Santo is the genius behind the transformation of Nottingham Forest in the first eight games of this season. One of the big differences has been the defensive setup of the Reds, as they’ve gone from leaking goals at times last season to the second best defence in the top-flight this time round. Nikola Milenkovic would have joined Forest with the hope of settling into life at the City Ground and get…