Career
He was a right-handed batsman and wicket-keeper who played for Derbyshire. He was born in Little Waltham. Warn made a single first-class appearance for the team, against the touring Indians in 2002.
From the tailend, he scored a single run in the only innings in which he batted.
Warn made seven List A appearances in the C&G Trophy for Suffolk between 2001 and 2005.