Lasse Schone scored one goal and set up another Sunday as NEC Nijmegen inflicted Feyenoord's fourth loss in seven rounds of the Dutch league with a 3-0 victory.
Schone scored NEC's first goal in the 19th minute and created another for Bram Nuytinck in injury time. Ricky ten Voorde was also on target for NEC in the 83rd.
Also Sunday, Kees Luijckx and Joonas Kolkka scored for NAC Breda in its 2-0 win over Willem II.
Vitesse Arnhem secured its second win of the season by beating Excelsior Rotterdam 2-0 thanks to second-half strikes by Dalibor Stevanovic and Ismail Aissati.
The league's top four teams remained undefeated after leaders Ajax drew 2-2 against fourth-placed FC Twente on Saturday and PSV Eindhoven, which is second, drew against No. 3 FC Groningen 1-1.
Ajax has 17 points, PSV and Groningen have 15 each, while Twente has 13.
In Sunday's other match, Ruud Boymans made up for Patrick Paauwe's penalty miss by scoring in the 42rd as VVV-Venlo beat De Graafschap 1-0.
