Argentina’s football successes deeply resonate with Uruguayan identity, stirring complex emotions. Historical analysis reveals that Uruguayan reactions to Argentine victories haven’t been consistent over the long-standing, century-old rivalry. The article explores how support patterns within Uruguay shift depending on Argentina’s performance, highlighting who Uruguayans choose to back during Argentine matches. It delves into the nuances of this relationship, suggesting that the current dynamic reflects a loss of something significant over time. The piece examines the historical layers of competition and solidarity between the two nations through the lens of their shared passion for football. Ultimately, it prompts reflection on the evolving nature of this enduring rivalry.