Celtic defender Alistair Johnston is set for an exciting summer on the international stage as Canada continue their Copa America preparations. Last Sunday, the 25-year-old was in action for his national side against France, enjoying a productive 62 minutes as Jesse Marsch’s outfit managed to secure an impressive 0-0 draw against the EURO 2024 contenders at Matmut Atlantique. The pre-tournament fixture was Canada’s last opportunity to get minutes into their legs before facing Argentina on matchday one of the tournament next Friday. Les Rouges are competing at Copa America for the first time fol…