On Sunday, September 18, Inverness Caledonian Thistle drew 2-2 with Celtic at Tulloch Caledonian Stadium. If you were there, hang on to your ticket stub. It might be a museum artefact one day.

That draw remains the sole blot on Celtic’s otherwise immaculate copybook this season. Brendan Rodgers’s side have won 26 of their 27 league games, including their past 22. Their lead over second-placed Aberdeen is 27 points — more than the top-of-the- table gaps in England, France, Germany, Italy, Spain and Belgium combined. They have not lost a league game since May 11 last year, when the UK was yet to decide on Brexit, Bernie Sanders was in the US presidential race, and Muhammad Ali was alive. They are playing the Scottish Premiership