Pittsburgh MMA Pioneers Bill Viola & Frank Caliguri co-founded CV Productions Inc. in 1979, the first MMA Mixed Martial Arts company in America. They invented the first mainstream mixed martial arts league in United States history. Thirty years later, the duo celebrated the sport of MMA in Pittsburgh. A new book “Mixed Martial Madness” will be released this fall. The origin of an American sport, and the history of MMA in the United States. Stay tuned.