Celtic completed their transfer business last Friday with the late addition of Luke McCowan from Dundee in midfield. The 26-year-old arrived as a boyhood fan and was noticeably chuffed when holding the green and white scarf above his head at Celtic Park, fulfilling a lifelong dream we are all a tad jealous of as supporters. Unless some of you convince Brendan Rodgers of your footballing capabilities, we must live vicariously through McCowan and others. However, all jokes aside, it was a special moment when the Greenock-born man took to the field against Rangers. Although his affiliation with C…