 In 1961 the team was finally affiliated to the Argentine Football Association, beginning its tenure in the fourth division, Primera D. In 1964 the club promoted to the upper division, Primera C, after defeating Estudiantes de Buenos Aires by 5–1.In 1971 Club Luján was relegated to the 4th Division again.In 1986 the squad promoted to the 3rd Division after defeating Muñiz in Argentino de Merlo's stadium.