1989–90 Eredivisie
The Dutch Eredivisie in the 1989–90 season was contested by 18 teams. Ajax won the championship. Promotion/Relegation. 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