Rangers have a salvage mission upon them because at this moment in time, the Scottish Premiership title is staying with Celtic. Philippe Clement wholly understands that five wins from five are needed from the remaining league games, as well as pinning his hopes on the Hoops slipping up at some point. The defeat to Ross County and the demoralising draw at Dundee were devastating for Rangers. But they need to be as professional as possible and not to give up hope when it’s not quite over yet. As for picking the team for Sunday’s trip to St Mirren, Clement is likely to make a couple of enforced c…