Football has its occasions when the game feels bigger than the final score. On Wednesday evening at Spotify Camp Nou, Barcelona hammered out Feyenoord 5-1 in their Champions League opener, but the enduring memory is hardly to do with the flattering scoreline. In the 71st minute, Raphinha exited the field and gave the captain’s arm-band to Lamine Yamal. Aged just 19 years and 58 days, the teenager was the youngest-ever player to captain Barcelona in an official fixture. The previous record had endured for sixteen years. It was Bojan Krkic who did it at the tender age of 20, while…