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
1974–75 S.L. Benfica season home, and Porto lost again, which increased Benfica's advantage to three-points, 31 to 28. However, a draw with Académica de Coimbra on 2 February, cut that lead to two points. In mid February, Benfica visited Estádio das Antas for the Clássico, defeating Porto by 3–0. Benfica had now a three-point lead over Sporting, who overtook Porto for second place. The team continued on their winning run, and on match-day 25, they added two more points in their difference over Sporting, which had lost in Bessa. However, Benfica would experienced a troubled third week of March. First they were knocked-out of