Every Rangers team that has been successful has had a common theme, a top class goalkeeper and, in Jack Butland, Philippe Clement is half way there. The nine-times capped England international was at it again against Kilmarnock and the Gers boss will be grateful that he has inherited a squad with the 6ft 5inch giant between the sticks. Rangers were comfortable for much of the 90 minutes but it could all have been different if Jack Butland hadn’t been on his toes. Rangers have match winner between the sticks in Jack ButlandIt was a quiet afternoon at Ibrox for the big stopper and even a mistake…