# 1989–90 Primera División de Baloncesto

The 1989–90 Primera División season was the second category of the Spanish basketball league system during the 1989–90 season. It was the second played with the name of Primera División.

## Format

16 teams played this season.
* Regular Season
** League of 16 teams in a single group where they play all against all in two rounds.
** The last two teams are relegated to Segunda Division.
* Promotion playoffs
** The top 8 play two knockout rounds for promotion. The first round is the best of 3 matches (first and third matches are played at the home of the best classified in the previous phase) and the second to the best of 5 (first, third and fifth matches are played at the home of the best classified in the phase previous). The two winners go up to the ACB League.
* Relegation playoffs
** Those classified between the 11th to 14th places play a best of 5 matches (first, third and fifth matches are played at the home of the best classified in the previous phase), the 2 losers go down to Segunda Division.

## Teams
### Promotion and relegation (pre-season)

A total of 16 teams contested the league, including 10 sides from the 1988–89 season, one relegated from the 1988–89 ACB, three promoted from the Segunda División and two Wild Cards.

#### Teams relegated from Liga ACB

* CB Askatuak

#### Teams promoted from Segunda División

* Choleck Llíria
* Cirsa Hospitalet
* CB Argaray

#### Wild Cards

* Cajahuelva, who obtained a relegation place the previous season.
* CB Las Rozas

#### Teams that resigned to participate

* CB Oviedo sold his place to Atlético de Madrid

### Venues and locations

| Team | Home city |
| Atlético de Madrid | Madrid |
| BC Andorra | Andorra la Vella |
| CAB Obradoiro | Santiago de Compostela |
| Cajahuelva | Huelva |
| Caja Badajoz | Badajoz |
| CB Argaray | Pamplona |
| CB Askatuak | San Sebastián |
| CB Guadalajara | Guadalajara |
| CB Las Rozas | Las Rozas |
| CD Cajamadrid | Alcalá de Henares |
| Choleck Llíria | Llíria |
| Cirsa Hospitalet | Hospitalet de Llobregat |
| Elosúa León | León |
| Lagisa Gijón | Gijón |
| Júver Murcia | Murcia |
| Syrius Patronato | Palma de Mallorca |

## Regular season

| Pos | Team | Pld | W | L | PF | PA | PD | Pts | Qualification or relegation |
| 1 | CD Cajamadrid | 30 | 23 | 7 | 2493 | 2288 | +205 | 53 | Qualification to Promotion |
| 2 | Júver Murcia | 30 | 22 | 8 | 2631 | 2349 | +282 | 52 | Qualification to Promotion |
| 3 | CAB Obradoiro | 30 | 19 | 11 | 2558 | 2340 | +218 | 49 | Qualification to Promotion |
| 4 | Elosúa León | 30 | 19 | 11 | 2534 | 2431 | +103 | 49 | Qualification to Promotion |
| 5 | BC Andorra | 30 | 18 | 12 | 2543 | 2488 | +55 | 48 | Qualification to Promotion |
| 6 | Cajahuelva | 30 | 18 | 12 | 2566 | 2539 | +27 | 48 | Qualification to Promotion |
| 7 | Syrius Patronato | 30 | 18 | 12 | 2552 | 2437 | +115 | 48 | Qualification to Promotion |
| 8 | Choleck Llíria | 30 | 17 | 13 | 2520 | 2459 | +61 | 47 | Qualification to Promotion |
| 9 | CB Guadalajara | 30 | 15 | 15 | 2616 | 2553 | +63 | 45 | |
| 10 | Caja Badajoz | 30 | 14 | 16 | 2489 | 2494 | −5 | 44 | |
| 11 | Cirsa Hospitalet | 30 | 13 | 17 | 2661 | 2615 | +46 | 43 | Qualification to Relegation |
| 12 | Atlético de Madrid | 30 | 13 | 17 | 2470 | 2564 | −94 | 43 | Qualification to Relegation |
| 13 | Lagisa Gijón | 30 | 11 | 19 | 2410 | 2437 | −27 | 41 | Qualification to Relegation |
| 14 | CB Askatuak | 30 | 11 | 19 | 2458 | 2621 | −163 | 41 | Qualification to Relegation |
| 15 | CB Las Rozas | 30 | 6 | 24 | 2441 | 2770 | −329 | 36 | Relegation to Segunda División |
| 16 | CB Argaray | 30 | 3 | 27 | 2497 | 2942 | −445 | 33 | Relegation to Segunda División |

## PlayOffs
### Promotion playoffs

Semifinal winners are promoted to Liga ACB.
| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Promoted to Liga ACB |
| 1 CD Cajamadrid | 1 CD Cajamadrid | 1 CD Cajamadrid | 1 CD Cajamadrid | 69 | 70 | | | | | | |
| 8 Choleck Llíria | 8 Choleck Llíria | 8 Choleck Llíria | 8 Choleck Llíria | 82 | 72 | | | | | | |
| 8 Choleck Llíria | 8 Choleck Llíria | 8 Choleck Llíria | 8 Choleck Llíria | 82 | 72 | 8 Choleck Llíria | 8 Choleck Llíria | 8 Choleck Llíria | 80 | 80 | 75 |
| | | | | | | 4 Elosúa León | 4 Elosúa León | 4 Elosúa León | 81 | 83 | 82 |
| 4 Elosúa León | 4 Elosúa León | 4 Elosúa León | 87 | 81 | 89 | 4 Elosúa León | 4 Elosúa León | 4 Elosúa León | 81 | 83 | 82 |
| 5 BC Andorra | 5 BC Andorra | 5 BC Andorra | 94 | 73 | 87 | | | | | | | |
| 5 BC Andorra | 5 BC Andorra | 5 BC Andorra | 94 | 73 | 87 | | | | | | | 4 Elosúa León |
| | | | | | | | | | | | | 2 Júver Murcia |
| 2 Júver Murcia | 2 Júver Murcia | 2 Júver Murcia | 2 Júver Murcia | 82 | 103 | | | | | | | 2 Júver Murcia |
| 7 Syrius Patronato | 7 Syrius Patronato | 7 Syrius Patronato | 7 Syrius Patronato | 72 | 86 | | | | | | | |
| 7 Syrius Patronato | 7 Syrius Patronato | 7 Syrius Patronato | 7 Syrius Patronato | 72 | 86 | 2 Júver Murcia | 2 Júver Murcia | 2 Júver Murcia | 90 | 93 | 89 | |
| | | | | | | 3 CAB Obradoiro | 3 CAB Obradoiro | 3 CAB Obradoiro | 86 | 87 | 80 |
| 3 CAB Obradoiro | 3 CAB Obradoiro | 3 CAB Obradoiro | 82 | 71 | 69 | 3 CAB Obradoiro | 3 CAB Obradoiro | 3 CAB Obradoiro | 86 | 87 | 80 |
| 6 Cajahuelva | 6 Cajahuelva | 6 Cajahuelva | 73 | 74 | 59 | | | | | | |

### Relegation playoffs

| Team 1 | Series | Team 2 | Game 1 | Game 2 | Game 3 | Game 4 | Game 5 |
| Cirsa Hospitalet | 3–2 | CB Askatuak | 103–88 | 76–94 | 73–78 | 89–73 | 85–77 |
| Atlético de Madrid | 1–3 | Lagisa Gijón | 65–68 | 79–71 | 68–76 | 74–79 | 0 |

## Final standings

| Pos | Team | Pld | W | L | Qualification or relegation |
| 1 | Júver Murcia (P) | 35 | 27 | 8 | Promoted to ACB |
| 2 | Elosúa León (P) | 36 | 24 | 12 | Promoted to ACB |
| 3 | CAB Obradoiro | 36 | 21 | 15 | Excluded for the following season |
| 4 | Choleck Llíria | 35 | 19 | 16 | |
| 5 | CD Cajamadrid | 32 | 23 | 9 | |
| 6 | BC Andorra | 33 | 19 | 14 | |
| 7 | Cajahuelva | 33 | 19 | 14 | |
| 8 | Syrius Patronato | 32 | 18 | 14 | |
| 9 | CB Guadalajara | 30 | 15 | 15 | |
| 10 | Caja Badajoz | 30 | 14 | 16 | |
| 11 | Cirsa Hospitalet | 35 | 16 | 19 | |
| 12 | Lagisa Gijón | 34 | 14 | 20 | |
| 13 | Atlético de Madrid (R) | 34 | 14 | 20 | Relegation to Segunda División |
| 14 | CB Askatuak | 35 | 13 | 22 | Relegation to Segunda División |
| 15 | CB Las Rozas (R) | 30 | 6 | 24 | Relegation to Segunda División |
| 16 | CB Argaray (R) | 30 | 3 | 27 | Relegation to Segunda División |