Football tactics can almost simply be boiled down to two ends of a spectrum - proactive and reactive, attack and defence. Tony Popovic has swung quite wildly between these two spectrums in the past two months.
The surprise resignation of Antonio Conte, and subsequent appointment of Max Allegri, has complicated matters. Sunday's friendly between Juventus and the A-League All-Stars, however, remains a fine opportunity to witness a genuinely elite team at close quarters and, perhaps, observe in the flesh a tactical trend that could be a crucial feature of the upcoming A-League season.
If Australia's Group of Death at the World Cup was a footballing lesson, then they already had a thorough understanding of the final part of the curriculum. Spain's identity, after all, has become as well-known as their success, centred on an almost abhorrent obsession with possession.