Lacey was drafted in the first round (fifth overall) of the 1970 NBA draft by the Cincinnati Royals. In total, he played 13 seasons (1970–1983) in the National Basketball Association as a member of the Royals, Kansas City Kings, New Jersey Nets and Cleveland Cavaliers.
Lacey was selected in the first round (fifth overall) of the 1970 NBA draft by the Cincinnati Royals. Throughout his career, he played 13 seasons (1970–1983) in the National Basketball Association as a member of the Royals, Kansas City Kings, New Jersey Nets, and Cleveland Cavaliers.