AZ Alkmaar missed the chance to go second in De Eredivisie after drawing 2-2 at home Roda JC.
Andres Oper stunned the home side with the opener for Roda on 23 minutes, but Barry Opdam drew AZ level after 65 minutes.
Parity was short-lived as Oper restored Roda's lead just two minutes later, but the striker soured his day when he was sent off 11 minutes from time.
AZ made their numerical advantage count when Danny Koevermans equalised with six minutes remaining.
Heracles picked up a precious point after a 2-2 draw with Vitesse Arnhem.
Danko Lazovic gave Vitesse the ideal start with the opening goal after just eight minutes, but Heracles turned the game on its head with two quick-fire goals before half-time from Ragnar Klavan (36), Everton (40).
Vitesse secured the draw with Fred Benson levelling matters on 71 minutes.