AMSTERDAM, Aug 27 (Reuters) - Twente Enschede striker Blaise N'Kufo struck after 70 minutes to upset champions PSV Eindhoven 1-0 in the Dutch first division on Sunday.
Wesley Sneijder scored twice in the final 20 minutes to give Ajax Amsterdam a 2-1 win at NAC Breda after Edwin de Graaf had put the home side in front in the 62nd.
Klaas-Jan Huntelaar set up Sneijder for the equaliser but then missed a penalty with 10 minutes remaining. Sneijder scored his second after 83 minutes to seal the win.
AZ Alkmaar, 3-1 winners at Vitesse Arnhem on Saturday, are top with a maximum six points after two matches, joined by Heerenveen, Ajax and Roda JC Kerkrade.
Groningen are fifth following a 1-1 draw at NEC Nijmegen. Romano Denneboom opened the scoring for the home side, though Glenn Salmon levelled before the interval.
Heracles Almelo maintained their good start as they held Feyenoord to a goalless draw and are sixth on four points.
Feyenoord, who have sold goal-scoring pair Salomon Kalou and Dirk Kuyt, are 15th with one points.