The last time a player stood triumphantly towering over a clamour of Camp Nou worshippers it was, of course, Lionel Messi in 2017. Barcelona had just crushed Paris Saint-Germain 6-1 in the greatest European comeback in history, and the little Argentine genius ran to the fans behind the goal, leaping up onto an advertising hoarding and creating a photo opportunity that, within days, had broken all club records and had been liked or "visited" more than 70 million times.
On Sunday, it was Ansu Fati.