San Lorenzo beat Oriente Petrolero 0-3. Victorio Cocco scored 2 goals.

1. 0'
   ⚽Kick-off
   CONMEBOL Libertadores 1973
   Referee: Romualdo Arppi Filho📍 Ramón Aguilera CostasAttendance: 12,000
2. 1. First half
   2. 24'
      ARG
      GOOOAL!VCVictorio Cocco
3. 1. Second half
   2. 55'
      ARG
      GOOOAL!VCVictorio Cocco
   3. 82'
      ARG
      GOOOAL!JIJuan J. Irigoyen