Club Atlético San Lorenzo de Almagro, founded in 1908, is one of Argentina's most decorated football clubs and a cultural institution in Buenos Aires, preparing its return to Boedo in a new 60,000-seat stadium opening in 2026. The club counts more than 5 million supporters worldwide and over 80,000 active socios, Argentina's third-most-engaged fanbase, broadcast via TNT, ESPN, fuboTV, and Fanatiz with 1.8M+ social followers and 27.6 million monthly digital impressions. With the Boedo stadium project set to double commercial revenue, sponsors get a rare entry point into a storied legacy connecting sport, culture, and identity across Argentina and beyond.