Donny Warmerdam (Sassenheim, January 2, 2002) played in Ajax’s youth academy since 2010 and was part of Ajax U23. The 21-year-old midfielder made his debut in professional football on August 30, 2020, in the match Ajax U23 - Roda JC: 0-4. Warmerdam made 83 appearances in which he scored five times.
The preseason campaign has kicked off. Ajax opened their preparations for the new season on Saturday with a match against FC Den Bosch. There was a completely different Ajax team on the field in each half. After trailing 0-2, the Ajax players managed to equalize through Gabriel Misehouy and David Kalokoh, bringing the score level.