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
2014–15 S.L. Benfica season April, Benfica drew against Porto (0–0), and kept leading the Primeira Liga, three points ahead. It was the first time since 11 April 2009 that Benfica did not score at home in a league match. On 2 May, Benfica won at Gil Vicente (0–5) with goals from Maxi Pereira (2), Jonas, Luisão and Lima. On 9 May, Benfica beat Penafiel (4–0) with goals from Lima (2), Jonas and Pizzi. On 17 May, Benfica drew at Guimarães (0–0) and became Portuguese champions for a second consecutive time, with one game to spare, three points ahead of Porto, which had drawn at