Argentinos Juniors beat Unión 1-0. Unión played with ten from minute 44.

1. 0'
   ⚽Kick-off
   Primera División 1990/91
   Referee: Trechuelo📍 AtlantaAttendance: 1,146
2. 1. First half
   2. 44'
      ARG
      Red card
      BOBorghi
3. 1. Second half
   2. 48'
      ARG
      GOOOAL!AGAntonio Vidal González