Rangers fans have been through the mill in this transfer window already. Manager Philippe Clement frayed nerves over the weekend when he hinted towards a difference in transfer ‘expectations’ with the Ibrox board. It comes with Rangers losing eight senior players in the last 12 months at the end of their contracts, with not a penny recouped as the club are tasked with upgrading them. The suggestion that Rangers need to sell before they can buy is also a source of huge frustration, with the Champions League qualifiers looming large. But as Rangers step up the hunt for experience this summer, th…