Career
He was playing non-league football with Earlestown before joining Football League Second Division side Burnley in July 1907. Valentine made his competitive debut for the club on 21 September 1907 and scored in the 1–3 defeat away at Hull City. Over the next three seasons, he scored three goals in a total of 18 matches for Burnley, but left in July 1910 and subsequently signed for Accrington Stanley.