Celtic supporters will be excited about what lies ahead as they wait for their side to return after the international break. Several Bhoys have jetted out to represent their respective nations. Meanwhile, Callum McGregor, among others, will enjoy a well-earned rest while watching his teammates in action. Either way, Celtic have made a brilliant start to the season and now have a chance to regroup ahead of a busy fixture schedule that runs right up until next January. Taking your breaks when you have them is the best course of action; the pressure to succeed at Celtic Park never ceases. Brendan…