Willem II beat AZ 3-0 for their first points of the Eredivisie season on Saturday, while Heerenveen also won.
Ajax responded to PSV Eindhoven's statement of intent with a 3-1 victory at AZ Alkmaar in the Eredivisie.
FC Twente needed a late equaliser from Youness Mokhtar to salvage a 1-1 draw at Cambuur Leeuwarden.
Charlton have signed former AZ Alkmaar winger Johann Berg Gudmundsson on a two-year deal.
Real Madrid's Super Cup clash with Sevilla starts a stunning season of European football on Sky Sports 5.
Ajax have signed defender Nick Viergever from Eredivise rivals AZ Alkmaar for a reported fee of around 2million euros.
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