S.L. Benfica 2015, Benfica reported to have 246,401 members; however, after a scheduled renumbering by the club in August 2015, the number decreased to 156,916. In April 2017, Benfica reported they had a total of 184,264 members by 31 December 2016. Benfica has rivalries with Sporting CP and FC Porto, with whom it forms the "Big Three": Portugal's most decorated clubs. None of them have been relegated from the Portuguese league since its establishment in 1934. As Lisbon-based clubs, Benfica and Sporting have shared a rivalry for over a century; it all started in 1907 when eight prominent Benfica players defected to
1982–83 S.L. Benfica season the title race. Benfica remained erratic, having two more draws in March, followed by a win. In Europe, Benfica faced Roma, one of strongest Italian teams of his era; beating them 2–1 on the Stadio Olimpico. At home, Benfica drew one-equal and eliminate them on aggregate. Filipovic had scored all of Benfica's goals in the tie. Domestically, in late March, Benfica visited the Estádio das Antas in the Clássico with Porto. A 0–0 draw better suited Benfica, who kept the four point lead over his rival. A few days later, Benfica beat Sporting by 3–0 in the quarter-final of the