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
1973–74 S.L. Benfica season on 11 February. Taking advantage of Porto's draw and Sporting's loss, Benfica won their match and cut Sporting's lead to just one point. In early March, Benfica surpassed Porto after their rival dropped points in Guimarães. On 10 March, Benfica visited Estádio das Antas to play Porto, losing 2–1. With this defeat, Benfica was now with 35 points, three less than Sporting. Following a home win against Guimarães, on next match on the road, Benfica drew with Beira-Mar by 1–1. The draw allowed Sporting to open a four-point gap with five matches to go, practically ending any hope of Benfica