In the 2004 season, El Rojo demonstrated a competitive spirit in domestic competitions under the guidance of manager José Pastoriza, who took charge at the beginning of the year. As one of Argentina's Big Five clubs, the squad showcased their characteristic determination in the Torneo Clausura. The team delivered hard-fought performances, including notable goals from key players like Colombian forward Jairo Castillo, who proved to be an important attacking asset for the squad.