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 Portuguese Cup. With the advantage of receiving smaller teams at home in the knock-out stages, Benfica progressed to the semi-finals after beating Dragões Sandinenses in the quarter-final, meeting Porto next. On the last day of April, the club defeated Porto by two-nil with goals from Valdir and Edgar Pacheco, reaching a second consecutive Portuguese Cup final, where they enter as title-holders. On the league campaign, Benfica track record on the final six league match-days, was four losses, a win and a draw, losing fifteen more points, ending the season a record-breaking twenty-seven points from Porto, fourteen from Sporting. On 10