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
1999–2000 S.L. Benfica season benefited from the points-share and Benfica fell to six points behind Porto. On 12 January the club hosted Amora for the Portuguese Cup, scoring seven goals against the third-tier team. Three days later, Benfica visited Funchal and nearly lost; "Record" labelled Enke's performance as crucial for Benfica, illustrating, "In the key moment of the game, when Enke defended a penalty in the 10th minute, he saved Benfica from leaving Funchal with a defeat. In a sluggish performance, only new signings Uribe and Machairidis showed good form." On Matchday 18, Benfica hosted Rio Ave, winning their first league game in a