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 with Vitória de Setúbal on 20 January, losing a point in the race. Two weeks later, in the visit to Estádio das Antas to face Porto, Benfica lost 2–1 and opened a four-point deficit, which Wilson admitted: "is a disadvantage difficult to overcome". But February had also scheduled a Portuguese Cup match against Sporting for the round of 16, which Benfica won by 2–1. Back on the league, despite dropping points with Vitória de Guimarães in early March, Benfica kept the chase to the front two, but could not cut the distance to them, which remained at four points. On