Unión beat Boca Juniors 3-2. Boca Juniors played with ten from minute 44. Horacio Cordero scored 2 goals.

1. 0'
   ⚽Kick-off
   Metropolitano 1983
   Referee: Pedro Feola.Attendance: 7,185
2. 1. First half
   2. 11'
      ARG
      GOOOAL!HCHoracio Cordero
   3. 44'
      ARG
      Red card
      JVJorge Alberto Vázquez
3. 1. Second half
   2. 50'
      ARG
      GOOOAL!HCHoracio Cordero
   3. 57'
      ARG
      GOOOAL!JLJuan J. López
   4. 64'
      ARG
      GOOOAL!RGRicardo Alberto GarecaPenalty
   5. 68'
      ARG
      GOOOAL!MCMarcos CapocettiPenalty