As of the 1983–84 season with the first edition of the Liga ACB, the modern Spanish basketball story begins in which the club was strongly committed to leaving its modest club status. Basque guard Alberto Ortega returns to the team, one of the stars of the league like Essie Hollis and Rilley Clarida became the first couple of foreigners of the club because the new Liga ACB allowed the signing of two foreign players per team. In the 1984–85 season, José Antonio Querejeta returned to the team, Pablo Laso made the leap to the first team after his trip at an American institute with only 16 years, which together with another youth player like Aitor Zárate formed the youngest guards in the league. As a counterpoint to this commitment to youth, an illustrious veteran of Spanish basketball like Miguel López signed for the team. Completing the incorporations with the arrival of Terry White as new foreign player for the team led by Xabier Añua.