As far as Chris Sutton is concerned, one of Rangers’ strengths could also be a potential weakness during Sunday’s colossal Old Firm derby clash between the two Scottish Premiership title challengers at Ibrox. In the words of the former Hoops hitman, the man likely to be the very first name on Philippe Clement’s team sheet this weekend is in the midst of ‘another terrific season’. Those ‘outstanding’ statistics only supporting the feeling that this is a player absolutely at the top of his game. But if Sutton was in the visiting dugout, he would be licking his lips at the prospect of Celtic’s sp…