Mimoun Mahi scored a couple of late goals as Groningen beat Excelsior 2-0 to claim their first win of the Eredivisie season.
Michael de Leeuw rescued a point for Groningen in a 1-1 draw with Twente in the Eredivisie on Wednesday, as NEC beat Excelsior 1-0.
PSV Eindhoven clinched the Dutch Super Cup with a comfortable 3-0 triumph over Groningen in Amsterdam.
QPR have continued to reshape their squad ahead of the new season by signing forward Tjaronn Chery.
Southampton, Swansea, Bournemouth and West Ham all registered wins, while Crystal Palace and Sunderland lost on Saturday.
AZ claim a Europa League place at the expense of Feyenoord, who were consigned to the play-offs for a place in Europe.