Tottenham Hotspur face some big decisions this summer as Ange Postecoglou heads towards his third transfer window in the Spurs hot seat. Tottenham have had some real ups and downs in Postecoglou’s first season in charge, but at least ended the campaign on a positive note. Spurs beat relegated Sheffield United 3-0 on Sunday afternoon, securing fifth place and a spot in the Europa League. That is decent progress in Postecoglou’s first season but he wants more – and that means some wheeling and dealing will be required. Tottenham don’t have endless funds and won’t have Champions League money comi…