1973–74 S.L. Benfica season go. Four days later, Carnation Revolution occurred, bringing the country back to democracy. In May, in the last three matches with both teams separated by a point, Sporting won the title on 20 May after defeating Barreirense, while Benfica drew with Setúbal. Benfica finished with two points less, 47 to 49. On 2 June, Benfica secured their presence in the Taça de Portugal Final after a 3–0 win against Porto on Estádio das Antas. Seven days later, Benfica met Sporting in the Final. A goal from Nené gave Benfica the lead which lasted until the 88th minute, when Sporting levelled.
1978–79 S.L. Benfica season handed the title to Porto, who gained a point with one match left. A week later, Benfica won, but so did Porto, who confirmed their back-to-back league title with 50 points, one more than Benfica. About the season, Mortimore said: "What a beautiful championship, with an appealing fight between Benfica and Porto. They (Porto) ended up being Champions because in the matches against us, they racked-up three points. But that was not the reason why he lost it. It was the poor results with Belenenses, Setúbal and Marítimo.". Two seasons without any honour was not seen since 1948, and two