Ange Postecoglou: We only look forward to the next challenge

Celtic have been in impressive form this season, establishing a nine-point lead at the top of the Premiership table, progressing in the Scottish Cup and reaching the League Cup final. That game comes around this Sunday when the Hoops take on Rangers at Hampden, looking to retain the trophy they won last season. But for Ange Postecoglou, what happened before is irrelevant. It is all on the here and now, and what happens at the National Stadium on Sunday...