Leigh was on the books at West Ham as a teenager before sustaining a knee injury. The injury resulted in him stepping down to play non league football at Fisher Athletic, Carshalton Athletic and Walton Casuals.
He was Assistant first team manager at Cobham 2010/2011 and promoted to first team manager at Cobham 2011/2012.
Leigh joined ‘Boro in 2012 as reserve team Manager. He is also a scout for Stevenage FC.