Is El Clásico still the world’s biggest match? Three questions before Barcelona v Real Madrid

<p>The fixture’s relevance waned as the Messi-Ronaldo rivalry faded. Can Lamine Yamal and Mbappé lift it into a new era?</p><p>For the best part of a decade, <em>El Clásico</em> was more than just soccer’s biggest fixture. It was the defining narrative. At the peak of t