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
FC Porto Pinto da Costa assumed Porto's presidency in 1982 and adopted a regionalistic and confrontational speech towards Lisbon. In the following years, the club began establishing its dominance in Portuguese football, at the expense of Benfica and Sporting, who had been the traditional powers since the 1940s. The rivalry with Benfica is the strongest and most passionate, opposing the most representative football emblems from each city as well as the current most titled Portuguese clubs. The first match between Porto and Benfica – traditionally referred to as "O Clássico" (The Classic) – took place on 28 April 1912, and ended with