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
1996–97 S.L. Benfica season week later; on the opening game of the Primeira Liga, Benfica drops two points against S.C. Braga in a home draw. Still, with two convincing wins in early September, Benfica reached top of the table, together with four other teams. With the second leg of the Supercup next, Benfica received Porto on 18 September. However, the contend quickly became an unbalanced one, with Porto scoring five goals to none, as Preud'Homme prevented an even darker outcome The team was not disturbed by this defeat, and continued racking up consecutive league wins, even achieving a two-point lead over the second place;