Donny Warmerdam

Donny Warmerdam (born 2 January 2002) is a Dutch professional footballer who plays as a midfielder for club De Graafschap.

Ajax
Warmerdam played youth football for RKVV Teylingen and Ajax. He made his professional debut for Jong Ajax on 30 August 2020, starting in a 4–0 home loss in the Eerste Divisie to Roda JC.

On 5 September 2022, Warmerdam scored his first goals for Jong Ajax, a late brace to cement a 4–0 victory against Heracles Almelo.

Warmerdam scored five goals in 82 league appearances for Jong Ajax over three seasons but did not manage to break into the first team, after 13 total years at the club.

De Graafschap
On 12 July 2023, Warmerdam signed a two-year contract with Eerste Divisie club De Graafschap. He made his competitive debut for the club on the first matchday of the season, starting in a goalless home draw against ADO Den Haag on 11 August. On 24 September, he scored his first goal for the Superboeren in a 2–1 league victory against MVV, two minutes after coming on as a first-half substitute for the injured Giovanni Büttner.