LAS VEGAS – On Saturday, February 20, 2010 there was a new addition to the Las Vegas fight scene. This would be the debut of the submission grappling promotion Submission 1, which is headed up by Ricardo Pires black belt Cameron Diffley. This was just the latest project for the 25-year-old Diffley, who has already made a name for himself by successfully competing on the west coast grappling circuit and earning his jiu-jitsu black belt in 5 years.