Celtic are now hurtling towards the start of the Scottish Premiership campaign, and excitement is bubbling ahead of Flag Day against Kilmarnock this weekend. Sunday will be a chance to briefly appreciate Brendan Rodgers’ men’s double-winning achievement of last term before all focus turns towards claiming the league crown once again at Parkhead. Pre-season couldn’t have gone much better for Celtic. In the early stages, a draw against Ayr United and Queens Park set the Bhoys up for their highly-anticipated pre-season tour of the United States. Travelling Stateside, Rodgers led the reigning Scot…