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
S.L. Benfica (basketball) the League Cup and the Super Cup but did not renew the championship as it lost 4–3 in the final to Porto. In the next season Benfica regained the title of Portuguese champion after defeating Porto in their home court Dragão Caixa (53–56) in the last best-of-five series game following a 2–2 playoff tie. Benfica retained the title the following season, having only lost two games, one in the regular season, and the other in the play-off final, which they won 3–1 against Académica de Coimbra, both defeats coming only in overtime. Overall Benfica won every title except the Cup,