Rangers’ new director of recruitment Nils Koppen had a sizeable job on his hands at Ibrox this summer. The Belgian transfer guru had only just got his feet under the desk inside the famous old stadium before he was cast into the January transfer market. But it wasn’t until this summer that much of the work really begun as the axe swung within the Ibrox dressing room and Rangers sought to cut their inflated wage bill. Come the end of the window, it’s clear Rangers are still short in a number of positions and the jury is very much out as to whether this season’s squad is as good as last season’s…