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
1979–80 S.L. Benfica season August, but Benfica postponed it four days, so they could play a friendly abroad. On the 29, Benfica won 5–1 and Jorge Gomes made his historical debut. After the 0–0 draw in Clássico on match-day 3, Benfica shared first place with Porto with five points. However, in the UEFA Cup, the campaign was disappointing, with Benfica unexpectedly losing to Aris on the first round. On the league, Benfica dropped to second after a draw with União de Leiria, but managed to recover and catch Porto on match-day 8. A week later, they beat Sporting in the Derby de Lisboa, reaching