Internationally, Porto reached the quarter-finals of the 1977–78 Cup Winners' Cup, beating Manchester United along the way, but suffered its heaviest defeat (6–1) against AEK Athens in the subsequent season's European Cup.
A nível internacional, o Porto chegou aos quartos de final da Taça dos Campeões de 1977/1978, derrotando o Manchester United pelo caminho, mas sofreu a derrota mais pesada (6–1) contra o AEK de Atenas na Taça Europeia da temporada seguinte.