The Australian will experience his first taste of an Emirates derby day atmosphere this weekend, and Spurs head into the clash with their bitter rivals sat two places higher than the Gunners in the table.
Both Arsenal and Tottenham have gleaned 13 points from their opening five fixtures, but Tottenham's superior goal difference has Postecoglou's men sitting pretty in second spot as Lilywhites fans revel in the 58-year-old's philosophy.
Following the pragmatic styles of Jose Mourinho and Antonio Conte — which yielded little success despite their previous trophy-winning experience — Spurs have been given a new lease of life in the final third under Postecoglou, scoring at least twice in all five of their Premier League games so far.
However, questions have been raised over how Postecoglou might approach Sunday's derby, as Arsenal have struggled more against deep blocks this season than they have against high-pressing, aggressive sides.
The Gunners only just scraped a 1-0 win over Everton last weekend, but they continuously found gaps in the high line of PSV Eindhoven to thrash the Dutch giants 4-0 in their Champions League opener.
Nevertheless, Postecoglou has promised not to abandon his attacking principles no matter who Tottenham come up against, telling the Evening Standard: «In terms of the way we play, we're not changing, mate. We'll go out and scare the life out of them.»
Elaborating on his approach in his pre-game press conference, the Lilywhites boss added: «Well, there is no other reason that we play this football than to be successful, so if I didn't think we
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