S.L. Benfica S.L. Benfica Sport Lisboa e Benfica (), commonly known as Benfica, is a sports club based in Lisbon, Portugal. It is best known for the professional football team playing in the Primeira Liga, the top flight of the Portuguese football league system, where they are the most successful club in terms of titles won. Founded on 28 February 1904 as "Sport Lisboa", Benfica is one of the "Big Three" clubs in Portugal that have never been relegated from the Primeira Liga, along with rivals Sporting CP and FC Porto. The Benfica team is nicknamed "Águias" (Eagles), for the symbol atop
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