Career
Walker was a right-handed batsman, who bowled right-arm off break. Walker represented the Yorkshire Cricket Board in three List A matches. His debut List A match came against the Gloucestershire Cricket Board in the 1999 National Westminster Trophy.
His final two matches came against Huntingdonshire and Yorkshire, both in the 2000 National Westminster Trophy.
In his three List A matches, he scored 57 runs at a batting average of 28.50, with a high score of 30*.