FC Porto a 2–8 win for Benfica; Porto's first victory (3–2) came only in 1920. As of the end of the 2014–15 season, the clubs have faced each other in 232 competitive matches, which have resulted in 89 wins for Porto, 86 for Benfica and 57 draws. The first meeting between Porto and Sporting CP occurred on 30 November 1919, during a friendly tournament organised by Porto. Their first official encounter was in the first leg of the final of the inaugural Campeonato de Portugal in 1922, which Porto won 2–1 en route to its first national title. Since then, the clubs
1990–91 S.L. Benfica season attentions were pointed on the league title. A strong campaign witnessed Benfica overtake Porto in February and then close the title with an away win in the Clássico, a controversial match because of the tactics employed by Porto to destabilize the team. On late May, Benfica secured their 29th league title, while Rui Águas won the Bola de Prata for league top-scorer. Benfica started the new season after having lost their fifth European Cup Final in the past season, while Porto regained the league title back. Swedish manager Sven-Göran Eriksson made some squad adjustments, releasing established players like Fernando Chalana,