Argentinos Juniors beat River Plate 1-2. Argentinos Juniors played with ten from minute 37. Patricio Hernández scored 2 goals.

1. 0'
   ⚽Kick-off
   Primera División 1990/91
   Referee: MastrángeloAttendance: 8,738
2. 1. First half
   2. 7'
      ARG
      GOOOAL!PHPatricio Hernández
   3. 37'
      ARG
      Red card
      PEPerazzo
   4. 39'
      ARG
      Red card
      BEBerti
   5. 41'
      ARG
      Red card
      PHP. Hernández
3. 1. Second half
   2. 49'
      ARG
      GOOOAL!PHPatricio HernándezPenalty
   3. 59'
      ARG
      GOOOAL!RSRubén Fernando da Silva