This latest contract extension is a significant coup for AZ, who have already secured the services of Wouter Goes on a new deal earlier in the summer. Koopmeiners has now signed a one-year contract extension with the club, tying him down until the summer of 2029. The midfielder has been with AZ for longer than not, having grown up and developed as a player with the club.

Koopmeiners' decision to extend his contract with AZ is a testament to the club's commitment to retaining its key players. Despite interest from other clubs, including Club Brugge, who made two bids for his services this summer, Koopmeiners has chosen to remain with AZ. In an interview with the club's channels, Koopmeiners explained that he was swayed by the club's desire to keep him and the sense of belonging he feels at AZ.

AZ's technical director, Niels van Duinen, has also welcomed Koopmeiners' contract extension, describing him as a "true team player" who is an important part of the team. Koopmeiners has already started the new season in fine form, with AZ winning the Johan Cruijff Schaal and their first Eredivisie match of the season against ADO Den Haag.

The club's determination to keep Koopmeiners on board is a significant boost to their chances of success in the coming season. With Koopmeiners and Goes now tied down to new deals, AZ will be looking to build on their strong start to the season and challenge for honours in the Eredivisie.