S.L. Benfica Sporting. Followed in Europe, Africa and the Americas, any match between both teams is known as "dérbi de Lisboa" ("Lisbon derby"), "dérbi eterno" ("eternal derby"), "dérbi da Segunda Circular", "dérbi dos dérbis" ("derby of the derbies") – the most important football derby in Portugal. The rivalry between Benfica and FC Porto, which started with a friendly match on 28 April 1912, comes about as Lisbon and Porto are the largest Portuguese cities, respectively. Benfica and Porto are currently the two most decorated clubs in Portuguese football, with the former historically being the most decorated team overall. Any match between the
FC Porto in international football competitions name="1980/81"></ref><ref name="1982/83"></ref> In between, the club sailed into the 1981–82 Cup Winners' Cup quarter-finals, where they were beaten by the eventual runners-up Standard Liège.<ref name="1981/82"></ref> Porto lost the 1983 Portuguese Cup final to league champions Benfica, which allowed their participation in the 1983–84 Cup Winners' Cup as losing cup finalists. They eliminated Dinamo Zagreb, Rangers, and Shakhtar Donetsk to reach their first European semi-final.<ref name="1983/84"></ref> The competition draw paired Porto with the holders Aberdeen, managed by Alex Ferguson. Taking a 1–0 lead to Pittodrie, Porto resisted to the attacking pressure of their opponents. In the 76th minute, Vermelhinho scored the