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
1974–75 S.L. Benfica season first but drew the others. First with Sporting on the 22, for the Derby de Lisboa, and then on the 29, with União de Tomar. Benfica lapped the first half of the season in second place with three points less than leaders Porto. In January, Benfica won their opening match, while Porto lost theirs, reducing the gap between them to a point. Two weeks later, Benfica defeated Olhanense on the road and Porto lost in Alvalade, with the teams exchanging places. Benfica now led by a point over Porto. In the last match of the month, Benfica defeated Leixões at