Overview

• San Mamés crowd and refereeing peers paid tribute to Óscar de Marcos and retiring official Pablo González Fuertes with shirts, letters and video highlights of their careers.
• Bilbao supporters greeted Barcelona’s champions’ guard of honor with boos and chants of “¿y Negreira qué?”, a protest tied to past refereeing scandals.
• Enric Masip slammed what he called a “brutal animosity” from Athletic fans and later admitted he had mistaken chants for support of Kylian Mbappé.
• Athletic Club pointed out its two public congratulations to Barcelona on winning LaLiga even though president Jon Uriarte did not personally greet Joan Laporta after the match.
• The flare-up reflects deeper tensions over Barcelona’s failed attempt to sign Nico Williams last summer and the long-running Negreira case.