Celtic’s win over Chelsea concluded a very impressive pre-season tour of the USA for Brendan Rodgers. Wins over DC United, Manchester City and Chelsea saw Rodgers’ side score four goals in all three games and show a style of football that had the Celtic fans raving about the team. What was special about the wins were the performances against the English Premier League duo. Being up against the likes of Erling Haaland and Christopher Nkunku will help prepare the Celtic defenders for what’s coming up in the Champions League next season. And as the team prepares to return to Scotland undefeated, …