1977–78 S.L. Benfica season by Porto. The decisive Clássico in May, Porto secured a 1–1 draw after trailing most of the game, putting them on the course to win the league. Two weeks later, an unbeaten Benfica came second to Porto due to a 15 goal-average deficit. Benfica started the new season as three time Champion for the second time in the decade. In the transfer window, Benfica brought back Humberto Coelho and others like Celso Pita. Departing players included Nelinho, Artur Correia and Carlos Alhinho. One of biggest sagas of the transfer window was the return of Rui Jordão to Portugal, which Benfica
1985–86 S.L. Benfica season match with Salgueiros, which had been postponed in February because of the pitch conditions. They drew 1–1 and lost points in title race. In April, Benfica received Sporting in what was labelled the D-Day for the league. Despite leading the league for most of second round, they lost 2–1, which allowed Porto to catch them in the first place, with a better head-to-head record. Mortimore said: "Sporting had two chances and converted them both, we had lost the league". On the last day of the campaign, Porto beat last classified, Sporting da Covilhã and won the league, while Benfica lost