Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The CZW World Junior Heavyweight Championship is a professional wrestling title in the Philadelphia-based promotion Combat Zone Wrestling (CZW), designed for junior heavyweights; wrestlers under 220 lb (100 kg; 16 st). It was established in 1999 at CZW's first show, Opening Night with The Sensational One as the first champion. There have been a total of twenty-two recognized champions who have had a combined twenty-eight official reigns.