Boca Juniors beat River Plate 4-3. Juan José Borrelli scored 2 goals.

1. 0'
   ⚽Kick-off
   CONMEBOL Libertadores 1991
   Referee: Juan Bava📍 La BomboneraAttendance: 25,000
2. 1. First half
   2. 9'
      ARG
      GOOOAL!JBJuan José Borrelli
   3. 11'
      ARG
      GOOOAL!GZGustavo M. Zapata
   4. 28'
      ARG
      GOOOAL!DLDiego Fernando Latorre
   5. 31'
      ARG
      GOOOAL!JBJuan José BorrelliPenalty
3. 1. Second half
   2. 56'
      ARG
      GOOOAL!BGBlas Armando Giunta
   3. 71'
      ARG
      GOOOAL!VMVictor H. Marchesini
   4. 87'
      ARG
      GOOOAL!DLDiego Fernando Latorre