BIOGRAPHYDerek Harper currently inactive. He was born on October 13, 1961. He is listed at 6' 4" and weighs 185 lbs. Harper went to high school and then Illinois. During his NBA career he also played 12 seasons with the Dallas Mavericks, and 3 seasons with the New York Knicks and 1 season with the Orlando Magic and 1 season with the Los Angeles Lakers.