Unión beat Gimnasia de La Plata 4-1. Oscar V. Trossero scored 2 goals.

1. 0'
   ⚽Kick-off
   Metropolitano 1977
   Referee: Busca
2. 1. First half
   2. 41'
      ARG
      GOOOAL!OTOscar V. TrosseroPenalty
3. 1. Second half
   2. 68'
      ARG
      GOOOAL!OTOscar V. Trossero
   3. 76'
      ARG
      GOOOAL!EMEduardo Marasco
   4. 81'
      ARG
      GOOOAL!JMJose M. MartinezPenalty
   5. 86'
      ARG
      GOOOAL!PCPedro Coronel