Dec 21 (OPTA) - Results and fixtures for the Eredivisie on Saturday (start times are CET) Heerenveen (0) 1 Heracles (0) 1 Sparta Rotterdam (2) 3 AZ (0) 0 PSV (2) 4 PEC Zwolle (1) 1 Willem II (0) 0 Fortuna Sittard (0) 0 Sunday, December 22 fixtures (CET/GMT) Ajax v ADO Den Haag (1215/1115) Utrecht v Feyenoord (1430/1330) Groningen v Emmen (1430/1330) Vitesse v VVV (1645/1545)