The following is from WWE.com:
WWE has come to terms on the release of SmackDown Superstar Chris Masters. We wish Chris the best in all his future endeavors.
Anyone that has followed this story should not be the least bit surprised. Whereas CM Punk is the poster child for a drug-free lifestyle, Chris Masters was obviously the poster child for a drug-full lifestyle. As a result, the Masterlock Challenge will not be seen again in the WWE.
More on this shortly…