Born in Karlskrona, Sandberg began his footballing career with Jämjö GoIF and Lyckeby GoIF before signing with Kalmar FF in 1955. In 1970, he signed with Åtvidabergs FF with which he won two Allsvenskan titles, two Svenska Cupen titles, and was the Allsvenskan top scorer in both 1971 and 1972. In 1973, he signed with German Bundesliga outfit 1.
Sandberg began his football career with Jämjö GoIF and Lyckeby GoIF before signing with Kalmar FF in 1955. In 1970, he signed with Åtvidabergs FF with which he won two Allsvenskan titles, two Svenska Cupen titles, and was the Allsvenskan top scorer in both 1971 and 1972. In 1973, he signed with German Bundesliga outfit 1.