Club Doncaster chief executive Gavin Baldwin has offered condolences to the family of Doncaster Knights player Ian Williams who died suddenly on Tuesday.
Baldwin said: “Everyone at Club Doncaster extends our best wishes to the family of Ian, as well as everyone at the Knights.
“Ian was a prop with plenty of his career ahead of him, this is a sad loss for Doncaster’s sporting community.”
Dons chief executive Carl Hall said: “The Dons family stands alongside the Knights at this sad time.
“We have a strong working relationship with the Knights, and have been training at Castle Park this year. Our thoughts are with them and Ian’s family.”