FC Porto the 1955–56 Primeira Divisão on head-to-head advantage over runners-up Benfica. Later that season, Porto beat Torreense to win its first Taça de Portugal and achieve its first double. As the Portuguese league winner, Porto made its debut in European competitions by qualifying for the 1956–57 European Cup. The club's first participation was short-lived, ending in the preliminary round with two defeats against Spanish champions Athletic Bilbao. A year later, Porto lifted its second Taça de Portugal by beating Benfica 1–0 in the final. The two clubs met again in the following season's final, but this time Benfica took the trophy
2004–05 S.L. Benfica season scored in the 13th minute. When asked why Anderlecht had more goal opportunities than Benfica, Trapattoni said, "Do you know international football? It is very balanced nowadays. I wish we had more chances but our opponent was stronger." Following the win, Benfica were due to meet Porto in the Supercup on 20 August. Ricardo Quaresma of Porto scored the only goal of the game in an individual effort. It was Benfica's tenth consecutive loss in the competition; the previous win occurred in 1989. Four days later, Benfica travelled to Belgium to play Anderlecht. The home team scored first by Aruna