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
1978–79 S.L. Benfica season Máritimo and was now two points behind Porto, but still with one game less. After winning the game in hand, Benfica matched Porto again at the front, but let them slip again after dropping points in the following game. A visit to Varzim, where they drew 1–1. Benfica responded with several consecutive wins, including one in Estádio de Alvalade, with a goal from João Alves. As Benfica entered June, they were still neck and neck with Porto, but with a disadvantage in the head-to-head. In second-to-last match-day, Benfica dropped points in Aveiro in a 0–0 draw with Beira-Mar and practically