But focusing firmly on Celtic – what key indicators should Hoops fans look out for as the curtain raises on a new season? 🔙 Throwback time… Celtic’s last flag day under Martin O’Neill came against Motherwell in 2004. Celtic 2-0 Motherwell XIThe Duran-Hogh conundrumStriker Camilo Duran was undoubtedly the star of Celtic’s pre-season, scoring in each of the three friendlies in which he took part. If the duo leave as expected, who will Celtic miss most out of Alistair Johnston and Arne Engels? The 23-year-old’s goal will be to give O’Neill a bigger decision to make in the following weeks.