1999–2000 S.L. Benfica season "their worst performance of the season, and seeing Porto close in on the top of the table." On 4 November, Benfica hosted P.A.O.K. for the second leg of their European qualifier. They lost 2–1 in normal time, requiring extra time and a penalty shootout to decide the match. The Lisbon side converted all their shots, progressing into the next round. Four days later, the club defeated S.C. Braga by one goal in a league match to open a three-point lead. After a one-week break for the Taça de Portugal, Benfica visited Estádio das Antas for the Clássico against Porto. They
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