Eric Robert Fernsten (born November 1, 1953) is a retired American professional basketball player.A 6'10" center from the University of San Francisco, Fernsten played in the National Basketball Association as a member of the Cleveland Cavaliers, Chicago Bulls, Boston Celtics, and New York Knicks. He averaged 2.4 points per game and 1.7 rebounds per game in his NBA career and participated on Boston's 1981 NBA Championship team. Eric also played basketball in Europe for several years.