The scenes from the Tottenham Hotspur Stadium on Saturday may have taken place in another league but for any Scottish viewer they felt instantly familiar; a swirling mass of besotted fans enraptured by this new manager with a common touch, chanting his name to a rhythmic beat.

Ange Postecoglou has many obvious talents but perhaps his greatest is his uncanny ability to break through to the fans and speak their language. At Celtic, he quickly became a messianic figure, able to provoke unlikely rapture with the well-placed use of a single word; "mate". 

And after the failed Spurs tenures of legendary managers like Jose Mourinho and Antonio Conte, Postecoglou looks primed to plough the fertile ground of disaffection and disconnection their struggles left behind. Celtic had their ups and downs before clicking into gear under the Greek-Australian, with a memorable defeat at Tynecastle on the opening day of the 21/22 season provoking many to wrongly assume the league title was done after a single match.  

With better players in London, 'Angeball' looks to have been a whole lot easier to bed in. Perhaps it's the history of success with a big club giving the manager more clout or maybe better players are smarter on the uptake - the concepts of inverted full-backs and feeding wide wingers to cut back is more familiar to the elite than in Scotland, Japan or Australia. However it's happened, it's been very easy on the eye so far with a draw away to Brentford and a deserved home win over Manchester United. 

Even Roy Keane is impressed. The Irishman of the always vaguely displeased demeanour and cutting barbs fame offered: "He certainly doesn't complicate the game. He keeps it simple. A lot of the stuff he is saying is common sense and sometimes at a club like Spurs they maybe need that. We can all complicate the game but he simplifies it very well."

In truth, football is a complex game - 22 players on a large pitch and billions of potential options - but Keane is right the best managers take this rich complexity and boil it down to comprehensible chunks. Talk to any player of the twin Walter Smith eras at Rangers and it's always mentioned how he communicated his ideas in a way players could easily grasp. Postecoglou clearly has that in quality in abundance. Because of that, everyone seems to be buying into the vision. There will be bumps along the way, of course there will, but Postecolgou looks to be perfectly set up to show that he is a special manager. And that's perhaps not fully been grasped yet. Just how extraordinary a manager Celtic have lost. 

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When Postecoglou took the reins, there was no pundit in the country predicting a title. Rangers had been unbeaten the previous season, were a hardened European-caliber team full of players at their peak. In contrast, Celtic's key players, the likes of Ryan Christie, Kristoffer Ajer and Odsonne Edouard wanted to leave for pastures new. A complete reset with a new manager bedding in a totally new style of play was required. And yet, amidst this tumult, we know what happened. 

When England came calling, it was always going to be difficult to resist, but Spurs were impossible given their infrastructure and status as a 'top six' outfit. Any sense that a truly special manager might be walking out the door was understandably tempered by the arrival of another highly lauded operator in Brendan Rodgers. Putting aside the upset about his previous departure, the stats spoke for themselves. 7 domestic trophies were completed during his tenure in the East End and all won. Two top-five finishes with Leicester City and an FA Cup win to boot. It's certainly a replacement of a very high calibre who has operated at the most elevated of levels. But you can't replace the irreplaceable. 

Postecoglou's overwhelmingly, aggressively attacking domestic philosophy that started from the very first whistle was perfect in the Scottish League. Celtic rarely ceded anything less than total control, and even when games were pushed to their final knockings, there was always a sense that they would kick the door long enough for the splinters to fly. In truth, it was hard to see past a Postecoglou team for the league simply because you knew they'd have the vast majority of games finished by the 30-minute mark.

Watching Celtic this season so far has been to see a transition away from a fine-tuned, fiercely rigid formula to something more fluid. Rodgers clearly wants to see variation in his sides' play. He may need them to go long at times to maximise the pace of his frontline but equality to also have the quality to play short through the deep defences that define SPFL away days.

After the intensity of Ange, with his vice-like tactical grip on the players that can only be achieved through rigorous repetition and drilling on the training ground, the team currently has the look of being reprogrammed, slightly resistently, to play in a different, less preconceived way. 

It was hard to imagine a Postecoglou team huffing and puffing against Kilmarnock in the same manner as we witnessed on Sunday, and yet Rodgers may well be doing the right thing. Postecoglou's methods may have worked a treat in Scotland but to have an impact on the Champions League, many will contend a horses-for-courses approach may be more likely to yield results. This was, after all, one of the main criticisms levelled at Rodgers during his first spell. 

Only time will illuminate us but you sense that more heroics from Postecolgou, taking the Premier League by storm with dominant, front-foot football, will only serve to underline just how much walked out the door when he boarded that fateful flight to London, regardless of the quality of his replacement.