Purchase tickets and join the crowds at a game at De Vijverberg Stadium. If there's nothing happening while you're there, you might like to check if they offer a guided tour of the facilities.
You'll find this sporting facility in Doetinchem. Once you've seen everything you want to at De Vijverberg Stadium, check out nearby Het Land van Jan Klaassen, Grafelijke Korenmolen, and Wijngoed Avitera.