High Quality Content by WIKIPEDIA articles! This is a list of seasons completed by the Cleveland Cavaliers of the National Basketball Association (NBA). This list summarizes the team`s season-by-season records, including post-season, and includes select season-end awards won by the team`s players and/or coaches. The Cavaliers were founded in 1970 as an expansion franchise and since their first season, they have always played in the Central Division and in the Eastern Conference.