The Osasuna supporters, affectionately known as Los Rojillos, are a fundamental pillar of the club, and their culture is woven with threads of passion and loyalty. From the moment fans cross the gates of El Sadar, the vibrant energy that only a home match can offer is palpable. The tradition of arriving early to enjoy a good pincho at nearby bars has become a sacred ritual for many, where conversations about tactics and players intertwine with laughter and chants.

One of the most notable characteristics of Osasuna's fanbase is their dedication during derbies, especially when facing their eternal rival, Real Sociedad. The competition between the two teams goes beyond points; it is a battle for pride and supremacy in northern Spain. The atmosphere during these matches is electrifying, with Osasuna supporters transforming El Sadar into a true hell for opponents. The chants, accompanied by drums and waving flags, create a symphony that resonates in every corner of the stadium, generating an almost hypnotic effect.

Among the unique rituals of the fans is the traditional ‘Txupinazo,’ which marks the start of the season and is celebrated with fireworks and a festive atmosphere. This event has become a perfect excuse for the community to gather and celebrate their love for the team. During matches, fans also have the custom of lighting flares during critical moments, creating a visual spectacle that accompanies the intensity of the game.

The connection between fans and the team is palpable. Each goal scored at El Sadar is met with an explosion of joy; hugs and shouts of celebration are part of what makes being an Osasuna supporter special. Los Rojillos not only support their team but also become an extension of Pamplona's identity, transmitting their culture and passion through their actions in the stadium.

For those attending a match at El Sadar, the experience goes beyond watching football; it is an immersion in a culture that celebrates community, history, and love for the game. With each match, Osasuna supporters continue to forge a legacy of tradition and fervor that will be passed down to future generations of Rojillos.