The 1989–90 ACB season had eight teams, including Taugrés, Valvi Girona, and Caixa Ourense, and it used the same competition format from the previous season in which there were originally 24 teams.
The 1989–90 ACB season had eight teams, including Taugrés, Valvi Girona, and Caixa Ourense, and it used the same competition format from the previous season in which there were originally 24 teams.