FC Twente reclaimed top spot in the Dutch league Sunday with a 5-2 win over ADO The Hague.
AZ Alkmaar beat RKC Waalwijk 2-1 to move second, with Ajax dropping to third after a 2-2 draw at PSV Eindhoven.
Douglas set up Marc Janko for the opening goal in the 16th, then scored the second before Luuk de Jong's pair of goals and another by Emir Bajrami settled the game.
Rasmus Elm and Charlison Benschop each netted in AZ's win at RKC.
Twente and AZ have 15 points each, one more than Ajax and Feyenoord.
Earlier Sunday, Ajax needed a late goal from Dmitry Bulykin to earn a draw at PSV. Tim Matavz capitalized on Gregory van der Wiel's mistake to put PSV in front after two minutes. Kolbeinn Sigthorsson leveled in first half added time.
Georginio Wijnaldum converted a penalty in the 54th for PSV before Van der Wiel's well-timed cross set up Bulykin in the 79th to secure a point for Ajax.
The game was marred by a head injury to PSV's Polish goalkeeper Przemyslaw Tyton, who was carried off on a stretcher with his neck in a brace after a collision in the 30th. Tyton has been diagnosed with a concussion.
