Dolf NiezenDolf Niezen was a Dutch footballer who played as a goalkeeper.CareerNiezen joined ADO at the age of 9 and made his first-team debut at the age of 16. That season, in 1942 during World War II, the club became Dutch champion, making him the youngest goalkeeper to win the title. He made 97 league appearances for ADO between 1942 and 1949, before later playing for Quick.Later life and deathHe died on 1 May 2020, aged 94.