The result was preceded by FC Porto’s 2-2 draw at Moreirense and then followed by Sporting being held to goalless draw at Boavista.
Sporting de Braga have drawn level on points with Benfica after beating Vitoria de Guimarães in the northern derby, with Estoril also joint third on 12 points after winning 2-1 against União de Madeira in Cascais.