Feyenoord’s Eredivisie match against Vitesse Arnhem on Sunday has been postponed as police cannot guarantee security.
AZ Alkmaar remain in contention to clinch a Europa League berth from the Eredivisie after a 2-0 win at FC Twente.
After the title was taken away from them on Saturday, Ajax were held by struggling NAC Breda at home on Sunday.
Dutch side Feyenoord have reportedly made an official bid to sign Manchester City striker John Guidetti.
Feyenoord moved a step closer to qualifying for the Europa League after a 2-2 draw at Willem II Tilburg in the Eredivisie.
Former Liverpool star Dirk Kuyt has revealed he will return 'home' to Feyenoord at the end of the season.