Bob Kloppenburg was an American professional basketball coach, who served as an interim head coach of the Cleveland Cavaliers in the early 1980s. Kloppenburg later served as an assistant coach for the Seattle SuperSonics. Widely regarded as the innovator of the SOS Defensive System, a system known for its ability to create turnovers because of "contact switching" on every screen and intense ball pressure with trapping principles. Also the co-founder, with Coach Ernie Woods, of HoopTactics.com, a basketball coaching website. Kloppenburg played college ball at the University of Southern California with the famous proponent of the modern Triangle offense, Tex Winter. Sara Giauro shoots a three-point shot, FIBA Europe Cup for Women Finals 2005. ... The Cleveland Cavaliers (also known as the Cavs) is a professional basketball team based in Cleveland, Ohio. ... The Seattle SuperSonics (or simply Sonics or Supes) are a professional basketball team based in Seattle, Washington. ... The University of Southern California (commonly referred to as USC, SC, Southern California, and incorrectly as Southern Cal[1]), located in the University Park neighborhood in Los Angeles, California, USA, was founded in 1880, making it Californias oldest private research university. ... The Triangle offense, also known as the Triple-Post offense, is an offensive strategy in basketball. ... Morice Fredrick Tex Winter (born February 25, 1922) is a successful basketball coach and innovator of the triangle offense. ...