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
2005–06 S.L. Benfica season for Benfica in the 20th minute, but Tiago Targino equalized a few minutes later. Simão put Benfica back in front with a deflected shot that beat Márcio Paiva, ensuring a third consecutive win that reduced the distance to the league leader to four points. After another interruption for international football, Benfica returned to competition with a Clássico against Porto. Despite Porto being the favourite to win, Benfica won 2–0 with two goals from Nuno Gomes. It was Benfica's first away win at Porto since 1990–91, when César Brito also scored a double. On the following Thursday, Benfica visited El Madrigal