Derek Ferguson hopes one Rangers star doesn’t get the starting nod from Philippe Clement for the Old Firm derby this Sunday. The Light Blues go into the famous fixture against Celtic one point behind their arch-rivals in the Scottish Premiership table, their most recent win a 3-1 victory over Hibs last weekend. But Rangers have a game in hand over the Hoops and will play that in the rescheduled clash against Dundee on Wednesday. So Clement’s side could, by the start of next weekend, be five points clear at the top of the table a week before the league splits in half. But full focus of course i…