Early pre-season at Celtic is always a chance for some fringe players to convince the manager that they could have a role to play this term. Brendan Rodgers has expectedly rotated his squad against Ayr United and Queens Park, offering supporters a chance to see some little-known faces in action. Last Friday’s draw against Ayr United was a friendly match by design. All in all, it was a bit of a non-event bar penalties from Kyogo Furuhashi and Anton Dowds, factoring in stoppages for substitutes and both sides prioritising sharpness over the end result. Nevertheless, Celtic’s 6-4 victory over Que…