CAI Zaragoza spent five hard years on LEB league before reaching Liga ACB for the first time.
Finally, CAI Zaragoza got promoted to Liga ACB after winning the title of the 2007–08 season, but its first participation on it was a total failure.
Nevertheless, the team arranged returned to Liga ACB on the next season after the arrival of homegrown coach José Luis Abós.
Under Abos, CAI Zaragoza established on the top Spanish basketball competition; in the 2012–13 season, they qualifying for the first time to the Copa del Rey and reached the ACB semifinals in their first participation in the play-offs for the title.
Nevertheless, after Abós's untimely death in 2014, the team struggled in the national competition, and went from reaching the play-offs to barely avoiding relegation.