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
1977–78 S.L. Benfica season they had done before, Benfica reacted and won two more matches, one them in Bonfim, where Bento was sent-off. This allowed them to reduce Porto's lead to a point, after their rivals had slipped. This made the visit to Estádio das Antas on 28 May, a title defining match. On that day, Benfica scored first on the 3rd minute with Porto levelling it on the 83rd minute, thus keeping them at the front. From the match, Toni said "It was the divine providence that saved Porto". In the second-to-last match, Porto drew away and Benfica won, which tied both teams