Boca Juniors and San Lorenzo drew 1-1. San Lorenzo played with ten from minute 39.

1. 0'
   ⚽Kick-off
   Primera División 1989/90
   Referee: EspósitoAttendance: 19,706
2. 1. First half
   2. 26'
      ARG
      GOOOAL!AAAlberto Federico Acosta
   3. 39'
      ARG
      Red card
      GGG. González
3. 1. Second half
   2. 87'
      ARG
      GOOOAL!WPWalter R. Pico