FC Porto in the 2008–09 season, Porto was on course to emulate the "Penta" of the late 1990s, but the series was broken by Benfica in the following season. Although Ferreira won his first Supertaça and defended the Taça de Portugal title, the team's failure to claim a fifth consecutive league – finishing third, outside the Champions League-qualifying places – and a 3–0 defeat against Benfica in the final of the Taça da Liga contributed to his resignation at the end of the season. A home win against Benfica prevented the rivals from celebrating the league title at the Estádio do Dragão.
1970–71 S.L. Benfica season put Sporting and Benfica level on points. Benfica closed March with an away win over Leixões, with Porto losing and dropping out of race. This left Benfica and Sporting with a three–point lead and three match-days to go. On 4 April, Benfica beat Vitória de Setúbal at home and for the first time headed the league isolated, with a two-point lead. Sporting had lost with Porto. Three weeks later, Benfica confirmed their league title with an away win over Varzim. It was their 18th league title. They finished the Primeira Divisão with a 5–1 victory over Académica, ending the campaign