2004 CD Universidad San Martn season had five teams between February 29 and August 22,  one of which was Sport Boys founded on 28 July 1927.
29 February 2004 22 August 2004 F.B.C. Melgar Estudiantes de Medicina - Atletico Grau Universitario U. Cesar Vallejo Cienciano Alianza Atletico Atletico Universidad 
