Jeff Hardeveld, a 31-year-old Dutch left midfielder, is expected to extend his contract with Telstar until mid-2028. According to Voetbal International, both parties are very satisfied. Hardeveld joined the club in September 2024. During the 2025/2026 season in the Eredivisie, he made 34 appearances, scored 6 goals, and provided 7 assists. The former Netherlands U21 international has a current market value that Transfermarkt estimates at €450k.