1970–71 S.L. Benfica season season. They sat in fourth place with a six-point deficit to Sporting. In the second part of the campaign, Benfica regained four points in two match-days, which included a 5–1 win over them. By January, Benfica closed the gap to one point, but a 4–0 loss against Porto stopped them. After a slow February; in March, Benfica caught Sporting at the front and in April, overtook them, after they lost to Porto. On 25 April, Benfica confirmed their 18th league title with Artur Jorge as Bola de Prata. Benfica concluded the season with Taça de Portugal Final, losing it to
1980–81 S.L. Benfica season in a row, including a home win against Porto on 14 March in the Clássico, which gave them a four-point lead with seven matches to go. At the same time, in the Cup Winners' Cup, Benfica beat Fortuna Düsseldorf at home, after a 2–2 away draw, qualifying for the semi-final. March closed with another draw, now with Académico de Viseu, removing a point from their lead over Porto. On 8 April, Benfica met Carl Zeiss Jena for the first leg of the semi-finals, losing 2–0. Four days later, they drew with Vitória de Guimarães, and saw his lead drop to