Kaj de Rooij

He made his Eerste Divisie debut for FC Eindhoven on 17 August 2018 in a game against Jong PSV, as an 85th-minute substitute for Alessio Carlone. On 4 October 2020, he signed a three-year contract with NAC Breda. On 30 January 2024, de Rooij joined PEC Zwolle until the end of the season on an amateur basis. After the season, he signed a two-year professional deal. At the end of the 2025–26 season, his contract with PEC Zwolle was not renewed. De Rooij subsequently signed a four-year deal with Spanish club Real Valladolid.