Celtic lost only two points at home last season while winning the Scottish league title under Ange Postecoglou. They have already lost nine games, including Saturday’s nail-biting 1-1 draw with Kilmarnock.
It is a sobering figure that has prompted BBC Scotland’s lead sports reporter, Tom English, to claim that “Brendan Rodgers is not doing his stuff” in his second stint as manager.
The Northern Irishman acknowledges there have been “too many” poor performances as they have given up a dominating seven-point advantage over local rivals Rangers.
Philippe Clement’s side has the opportunity to overtake the reigning champions at the top of the Scottish Premiership when they visit St Johnstone on Sunday, but what went wrong at Celtic Park?