Luke McCowan has emerged as Celtic’s latest cult hero as the boyhood fan continues to make an impression after joining from Dundee on deadline day. Arriving for a bargain £1 million, the 26-year-old made his debut against Rangers just two days later, sampling what may be to come in green and white. However, he would’ve been grateful for the recent international break to enjoy a couple of weeks settling in at Lennoxtown. Coming in from a new environment isn’t straightforward; it takes time to acclimatise to different aspects of life at a new club. Making the most of this time, McCowan came off …