Young signed for Celtic from Neilston Waverly in June 1961. He played 145 games for the club in major competitions, scoring three times, and won the
Scottish Cup in
1965 and the
Scottish Football League Championship in
1965–66. Also among these appearances were 19 in European competition, including both legs of the
European Cup Winners' Cup semi-final against
MTK Budapest in 1964, and both legs of the semi-final of the same competition against
Liverpool in 1966. He lost his place soon afterwards to the more attacking
Jim Craig. ==Honours==