Ajax suffered an opening-day defeat in the Eredivisie after losing 2-1 at Heracles.
Heerenveen have confirmed the double signing of Magnus Wolff Eikrem from Molde and Yanic Wildschut from VVV Venlo.
Twente beat FC Groningen 3-2 and Utrecht defeated Heerenveen 2-1 to earn the right to meet for a Europa League place.
Ajax rounded off their title-winning season with a 2-0 win at FC Groningen on Sunday.
The Eredivisie season wraps up this weekend with European issues still to be resolved.
Ajax wrapped up their third consecutive Dutch Eredivisie title in style with a 5-0 thrashing of lowly Willem II.
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