Who should start up front for Rangers following Lawrence Shankland's injury? Charlotte Cohen with Rory Loy and Michael Grant assess Derek McInnes' options ahead of a crucial clash with in-form St Mirren and debate whether Kevin Kelsy is ready to lead the line. Can St Mirren continue their impressive start and trouble Rangers at Ibrox?Plus, Celtic head to Perth with questions over their attacking selection, but just how important is Duran becoming to Martin O'Neill's side? And after an encouraging return to the Premiership, can St Johnstone and striker Josh Fowler cause the league leaders any problems?