NEC Nijmegen have announced the signings of Geert Arend Roorda and Stijn de Looijer on Bosman deals.
Both midfielders have agreed terms with NEC and will join from Heerenveen and Den Bosch.
Roorda, 24, has agreed a two-year-deal whilst 20-year-old de Looijer has penned a four-year contract.
Technical director Carlos Aalbers told the club's website: "Geert Arend is a fantastic addition to our squad.
"We have signed a strong and dynamic midfielder with good technical skills.
"We are delighted with his signature."
De Looijer said of his move: "NEC are really developing. During the meetings with the club I received a clear confirmation of this.
"I am looking forward to having a successful time in Nijmegen."