River Plate and Lanús drew 0-0. Lanús played with ten from minute 29.

1. 0'
   ⚽Kick-off
   Primera División 1990/91
   Referee: BiscayAttendance: 8,831
2. 1. First half
   2. 29'
      ARG
      Red card
      MEMeske
   3. 32'
      ARG
      Red card
      MBMedina Bello
   4. 43'
      ARG
      Red card
      GIGiuntini
   5. 45'
      ARG
      Red card
      BEBernuncio