Rangers face Hearts in the semi-final of the Scottish Cup at Hampden this weekend as Philippe Clement looks to get their season back on track. A run that has seen just on league win in five leaves the manager with a tough task ahead of what is sure to be another tense affair. With Rangers struggling in recent weeks, Hearts defender Stephen Kingsley reckons that an upset could be on the cards if they can replicate the performances of two other Scottish Premiership teams. READ MORE: Rangers ace back for Hearts after injury but Clement has concerns over £3.5m man Rangers to face a rampant Hearts?…