Invested in the game: Ange Postecoglou. Credit:Getty Images

In a 33-year career in professional football, he can remember too many times when they didn't.

So while some perceive the code slipping into civil war, Postecoglou's experience leads him to believe it is in sharp shape.

"I've been in involved in football my whole professional life and I've seen it all," he told AAP.

"This kind of thing was happening 25 years ago, 30 years ago, in the past the game was fragmented because people didn't care enough to do anything about it.