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.
1986–87 S.L. Benfica season campaign started with a Clássico with Porto, which ended with a draw. A win in match-day 2 was followed by another draw. Six consecutive wins propelled Benfica into first place isolated, with two points in hand. In the end of November, Benfica contested the Supertaça with Porto and was defeated by 4–2 at home, after a one-all draw in Antas. On the second week of December, in the Derby de Lisboa with Sporting, Benfica conceded their largest loss ever in the Primeira Divisão, losing 7–1. Fans reacted with anger towards Mortimore and ripped flags and scarfs with the club image.