1985–86 S.L. Benfica season lapped the first round of the league in first place, after recovering five points since September. After an event-less January, in which Benfica retained their one-point lead over Sporting; in February, Benfica faced Porto again, this time for the round of 16 of the Taça de Portugal, winning 2–1. Meanwhile, in the Primeira Divisão, they added another point in their lead over their closest competitors. In March, Benfica was eliminated of the Cup Winners' Cup by Dukla Prague, while in the Portuguese Cup, they thrashed Sporting by 5–0 in the quarter-finals. They finished the month with a replay of the
1972–73 S.L. Benfica season from Eusébio. With the win, Benfica opened a two-point lead over their rivals. They continued on their winning run, beating Belenenses at home by 5–0 on match-day 7. With seven wins in seven matches, their lead was now three points. Back on the European stage, Benfica visited Baseball Ground to face Derby County on 25 October. Three first-half goals from Derby County surprised Benfica, who failed to react and lost 3–0. Before the second leg, Benfica played the Clássico with Porto for the Primeira Divisão. Porto scored first and was winning by 2–0 until the 78th minute, when Benfica scored