Feyenoord extended their winning streak to five Eredivisie matches after four second-half goals inspired them to a 4-1 victory over Emmen.
Third-placed Feyenoord maintained their five-point cushion over the chasing pack with a 1-0 win at struggling Groningen in Eredivisie.
PSV Eindhoven maintained their perfect record in the Eredivisie as they beat De Graafschap 4-1 to record their 12th straight win.
Ajax took advantage of Jeremiah St Juste's early dismissal to record a 3-0 win against Feyenoord in the Eredivisie on Sunday.
PSV Eindhoven hit Emmen for six to make it nine wins from nine at the top of the Eredivisie.
Ajax built on their midweek Champions League draw with Bayern Munich by reclaiming second place in the Eredivisie with a 5-0 win over AZ Alkmaar.
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