S.L. Benfica B six vacancies available in the Segunda Liga (now LigaPro) for the 2012–13 campaign. Of those seven clubs, six were selected to take part in the competition: Benfica, Braga, Marítimo, Porto, Sporting CP and Vitória de Guimarães. LPFP, who organize the professional football tiers in Portugal, announced that the clubs would have to pay €50,000 to register themselves at the league in order to compete in the upcoming season. In addition, LPFP also required them to follow new rules regarding player selection, in which each B team must have a squad with a minimum of ten players formed at the club's
1986–87 S.L. Benfica season campaign started with a Clássico with Porto, which ended with a draw. A win in match-day 2 was followed by another draw. Six consecutive wins propelled Benfica into first place isolated, with two points in hand. In the end of November, Benfica contested the Supertaça with Porto and was defeated by 4–2 at home, after a one-all draw in Antas. On the second week of December, in the Derby de Lisboa with Sporting, Benfica conceded their largest loss ever in the Primeira Divisão, losing 7–1. Fans reacted with anger towards Mortimore and ripped flags and scarfs with the club image.