PreviousNext Competition Taça de Portugal Equipa SL Benfica Classificação Winner 32 Avos Final V SL Benfica 5 - 1 Campo de Ourique Sat, 13 Oct 1979 V Round of 32 V SL Benfica 5 - 2 Cascais Sat, 20 Oct 1979 V Round of 16 V Paço do Rei 1 - 6 SL Benfica Sat, 15 Dec 1979 1st Leg V V SL Benfica 9 - 1 Paço do Rei Sat, 22 Dec 1979 2nd Leg V Quarter finals E GD Sesimbra 2 - 2 SL Benfica Sat, 29 Dec 1979 1st Leg E V SL Benfica 4 - 0 GD Sesimbra Sat, 5 Jan 1980 2nd Leg V Semi finals E FC Porto 3 - 3 SL Benfica Sat, 12 Jan 1980 1st Leg E V SL Benfica 6 - 1 FC Porto Sat, 19 Jan 1980 2nd Leg V Final V SL Benfica 1 - 0 Sporting CP Sat, 26 Jan 1980 V