Tottenham Hotspur were back in action in a behind-closed-doors friendly on Saturday as Ange Postecoglou ramps up preparations for the new season. Spurs reportedly picked up an emphatic 7-2 win over Cambridge United, with Ange Postecoglou’s side leading 5-0 at the halfway point. The Aussie boss got an early opportunity to take a closer look at new arrivals Archie Gray and Lucas Bergvall. Gray has reportedly impressed in training already while Bergvall also got his first run out since his switch from Djurgarden back in February, after linking up with his new teammates earlier this month. And acc…