GATESHEAD — Friday could well be the most important day of Newcastle United’s season.

July 31: ring it in your black and white calendars.

That is when captain Bruno Guimaraes is slated to return to pre-season training before flying out to La Manga for a week-long camp that they can’t afford to become a circus to rival last year’s tour of the Far East.

Back then, Alexander Isak was engineering the longest and bitterest of goodbyes as Newcastle struggled to contain the narrative from the other side of the globe.

In truth, neither player nor club has ever really recovered.