1980–81 S.L. Benfica season with four more wins, including a home win against Porto, which widened their difference to four points. Meanwhile, in Europe, Benfica defeated Fortuna Düsseldorf in quarter-finals but was knocked-out by Carl Zeiss Jena in the semis. The final two months of the Primeira Divisão saw Benfica drop points with Académico de Viseu, Vitória de Guimarães and Sporting, reducing their lead to two points. On match-day 29, a home win against Setúbal secured their 24th league title. They concluded the season by winning their 17th Taça de Portugal in a 3–1 win against Porto. In the previous season, Mário Wilson failed
1983–84 S.L. Benfica season Football Federation, that joined the Primeira Divisão and La Liga Champions in a two-legged Super cup. Benfica first visited the San Mamés Stadium on the 17, losing 2–1. A week later, they received Bilbao at home and won by 3–1, thus keeping the trophy. Between that, Benfica played the Portuguese Cup Final with Porto, winning one-nil with a goal from Carlos Manuel. The league campaign started in the best of terms, with four consecutive wins, while in the European Cup, Benfica eliminated Linfield in the first round. In October, they dropped the first points, in a draw with Braga, which