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
1978–79 S.L. Benfica season first place with 16 points, one more than Porto. Benfica winning run ended on 21 January with a 1–1 draw against Porto on match-day 17. Mortimore complained of a three-meter off-side in Porto's goal. It left Porto in a lead with a game more, because Benfica's match against Académico de Viseu on 30 December had to be postponed due to stormy weather. In February, Benfica was knocked-out of the Portuguese Cup with a 2–1 loss with Braga, a defeat that Mortimore rated as fair. A week later, another defeat, now for the Primeira Divisão. Benfica lost 2–1 in Barreiros to