sentences:  Although born in Portsmouth, Riggs came through the junior ranks with Gillingham and made his league debut in April 1954 at the age of just 18.He went on to make 152 appearances for the Kent club and was noted for his tough tackling and long throw-ins.In 1958 Riggs moved to Newport County for a fee of £1,750, where he again racked up over 100 Football League appearances.