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
2003–04 S.L. Benfica season his presentation, he confessed that the club's limited finances would make it harder to sign players; he also said that Benfica would give their best but did not expect to dethrone Porto. Benfica inquired after Helton, and Ricardo to compete with José Moreira for the goalkeeper position. Over the course of two weeks, the club negotiated unsuccessfully with the latter and ultimately chose to stay with Moreira. The club also looked into strengthen their options at centre and at left-back, negotiating unsuccessfully with Ânderson Polga, Atouba and Júnior. Despite these failed negotiations, Benfica added Luisão, and re-signed Geovanni; both would