Ange Postecoglou's Celtic will face their Old Firm rivals in the Scottish League Cup final after Kemar Roofe's dramatic extra-time strike gave Rangers a 2-1 win over 10-man Aberdeen at Hampden Park in the second semi-final.

Source: https://www.perthnow.com.au/sport/soccer/rangers-set-up-final-date-with-postecoglou-c-9459609

However, with a Scotland cap looking unlikely and him also being outside Ange Postecoglou's plans for now, Johnston has chosen to represent Ireland after qualifying via his grandparents.

Source: https://www.glasgowtimes.co.uk/sport/23377741.hes-not-giving-up---scotland-coach-reacts-johnston-ireland-move/?ref=rss

Just as it did for Ange Postecoglou's team in the Aussie's first season when they came back from a similar position as now to win it."

Source: https://www.glasgowtimes.co.uk/sport/23963979.chris-sutton-sends-rangers-warning-celtic-brendan-rodgers/?ref=rss

The Australian midfielder has become a mainstay in Ange Postecoglou's side.

Source: https://www.glasgowtimes.co.uk/sport/23301017.kris-commons-points-celtic-lessons-amid-aaron-mooy-form/?ref=rss

The midfielder has been on the Parkhead club's radar since the early days of Ange Postecoglou's tenure but interest has stepped up since ' return to the club.

Source: https://www.dailyrecord.co.uk/sport/football/football-transfer-news/kwon-hyeok-kyu-given-celtic-30478193

This is the fourth of five articles charting the remarkable inside story of Ange Postecoglou's little-heralded first spell in European football with Panachaiki in Greece.

Source: https://www.heraldscotland.com/news/23561783.postecoglou-greece-mass-riots-hit-anges-unstoppable-side/?ref=rss

With Celtic's latest cup success occurring last weekend, it was some of Postecoglou's players' first taste of silverware at the club.

Source: https://www.heraldscotland.com/sport/23361821.ange-postecoglou-celtic-injury-update-ahead-st-mirren-clash/?ref=rss