The Dutch Eredivisie in the 1989–90 season was contested by 18 teams. Ajax won the championship.
League standings
Results
Promotion/relegation play-offs Starting this season, the number 16 of the Eredivisie would play against relegation against the runners-up of the promotion/relegation play-offs of the Eerste Divisie. The Eerste Divisie league champions and winner of the play-offs would replace the numbers 17 and 18 of this league directly. See here for details of the system.
NEC: remain in Eredivisie Emmen: remain in Eerste Divisie
See also 1989–90 Eerste Divisie 1989–90 KNVB Cup
References
Eredivisie official website - info on all seasons RSSSF