Unión beat Newell's Old Boys 4-2. Ernesto Mastrángelo scored 2 goals.

1. 0'
   ⚽Kick-off
   Metropolitano 1975
   Referee: Maino
2. 1. First half
   2. 3'
      ARG
      GOOOAL!EMErnesto Mastrángelo
   3. 17'
      ARG
      GOOOAL!AOAlfredo Domingo Obberti
   4. 35'
      ARG
      GOOOAL!EMErnesto Mastrángelo
3. 1. Second half
   2. 55'
      ARG
      GOOOAL!RERoberto M. EspositoPenalty
   3. 61'
      ARG
      GOOOAL!AOAlfredo Domingo Obberti
   4. 80'
      ARG
      GOOOAL!EMEduardo Marasco