Ange Postecoglou enjoyed two fine years at Celtic before being appointed Tottenham Hotspur manager last summer. Making a mark in the Premier League due to his intense style of football, the Australian led Spurs to a fifth-placed finish last term and subsequent Europa League ‘league phase’ qualification. With his team up in Scotland to face Heart of Midlothian at Tynecastle, Postecoglou has already started to build ahead of steam, bringing in Lucas Bergvall and Archie Gray from Djurgarden and Leeds United, respectively. Intriguingly, Gray admitted to being a ‘massive’ Celtic fan upon arrival, c…