As a result , interest and participation in the martial arts over the last 20 years has been tremendous ( Cox , 1993 ) .
UFC has become the largest pay - per - view provider in the world ( UFC , 2006 ) .
Interest and participation in the martial arts over the last 20 years has been tremendous ( Cox , 1993 ) .
UFC has become the largest pay - per - view provider in the world ( UFC , 2006 ) .