1983–84 S.L. Benfica season left the club in second, a point shy of the leader Porto, their next opponent. In the Clássico, Benfica beat his rival Porto and assumed first place. Later in the month, Benfica defeated Olympiacos in the second round of the European Cup, qualifying for the quarter-final. In November and December, Benfica won all their league matches, but lost the Supertaça Cândido de Oliveira to Porto. Benfica kept on winning in the Primeira Divisão in January, lapping the first part of league with a three-point lead. However they suffered a set-back in the Taça de Portugal, losing 2–1 in Estádio de
1979–80 S.L. Benfica season 13 April, Benfica visited Estádio de Alvalade to play Sporting, losing 3–1, with the gap to the leader Porto now at six points. Wilson complained of a "skilful" referee. Out of race, Benfica closed April with a draw against Boavista, increasing to seven the difference to the leader. May started with an away win against Varzim, for the semi-finals of the Portuguese Cup. They would meet Porto in the final for the fifth time in history. On 1 June, Benfica ended the Primeira Divisão campaign with 45 points, in third place. Not since 1954 had Benfica gone so long without