By Ewan Murray Tottenham continue their pre-season preparations when they face Queens Park Rangers in a friendly on Saturday afternoon. The Lilywhites hammered Cambridge United 7-2 behind closed doors before travelling to Edinburgh to face Hearts on Wednesday. They beat the Scottish side 5-1, netting four second-half goals despite fielding a youthful side after the restart. New signings Archie Gray and Lucas Bergvall both featured. After their meeting with QPR this weekend, Tottenham will embark on a journey to Asia where they have friendlies lined up against Vissel Kobe and Team K-League at t…