Fans flocked to Maracana for Messi's possible final Brazil match, witnessing Otamendi secure Argentina's historic 1-0 win amid a pre-game brawl. Brazil suffered its first home World Cup qualifying defeat, worsening under new coach Fernando Diniz. Messi departed amidst mixed reactions, unable to breach Brazil's net. Argentina's victory atop the standings celebrated another triumph at Rio's iconic stadium, marred by a violent scuffle that delayed the game. Despite Brazil's pressure, Otamendi's header sealed the fate. Argentina leads, while Brazil struggles in sixth place in the South American qualifiers for the expanded 2026 World Cup.