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
2005–06 S.L. Benfica season days later, Benfica returned to the winning path in the Primeira Liga after beating Penafiel 4–0. Geovanni opened the scoring in the first half, after which Nuno Gomes, Simão and an own goal from Roberto set the final result. On 18 February, Benfica played on the road against Vitória de Guimarães. They did not play as expected and conceded two goals—one in each half—losing 2–0. The loss severely hampered their title defence after being overtaken by Sporting and Braga and allowing leaders Porto—their next league opponent—to gain an eight-point advantage. Three days after Guimarães, Benfica hosted Liverpool for the first