By Sean Walsh Ange Postecoglou claimed the “foundations” at Tottenham Hotspur were “fairly fragile” in the aftermath of the 2-0 loss at home to Manchester City. The Greek-Australian has largely unified Spurs during his first season as head coach, but has threatened to ignite a feud within the fanbase with comments made after the loss. Tottenham fans were split on whether they wanted to lose the game to City to stop rivals Arsenal from winning the league, though Postecoglou did not explicitly say this was the reason by his anger, He did suggest, however, that Tuesday’s atmosphere was ‘different…