The first goal that AFC Bournemouth ever scored in Europe could be heard out on the Bay of Biscay. A tradition from Real Sociedad’s old Atotxa ground, once lost but now recovered at Anoeta, dictates that a single flare is set off every time the visitors score while two are lit when the home team do; that way those out to sea know the score. And so it was that at 21.41 on a Thursday night in September 2026, Justin Kluivert found the net and a man named Juan Iturralde ran out into the street to l…