Tottenham manager Ange Postecoglou watched on as his team lost to Arsenal today and the Aussie could be starting to feel the heat from above. Spurs have won just one of their opening four games and are as good as out of any sort of title race they might have wanted to get involved in. For Postecoglou, who was backed to the tune of more than £100m in the summer, it was yet another disappointing performance to witness from his Spurs players. READ MORE: Forward Spurs sold for only £6.7m just scored four goals in a game to secure 9-1 win in top European leagueThe goal for Arsenal came from a set-p…