While Rangers can look forward to an exciting final month of the transfer window, September cannot come around quickly enough for some of Philippe Clement’s fellow managers. Speculation is continuing regarding the future of captain James Tavernier. But, apart from that, Rangers fans can sleep easy knowing that the big stories at Ibrox are likely to focus on incomings rather than outgoings over the next few weeks. Supporters of Heart of Midlothian, in contrast, are not exactly in a position of similar comfort. Lawrence Shankland continues to dominate the back pages north of the border. That, of…