Callum Cooper (L) of New Zealand gets hit by Wu Dong-shin of Taiwan during their Pacific Rim Organised Fighting mixed martial arts (MMA) match in Taipei February 7, 2010. MMA is a fusion of fight styles that melds the stunning strikes of boxing and muay thai, the sleek submissions of Brazilian jiu-jitsu and the devastating power of wrestling. Now sanctioned in more than 40 U.S. states, the sport is experiencing explosive growth in viewership and participation. Reuters Pictures logo Reuters Pictures 24 months ago

Callum Cooper (L) of New Zealand gets hit by Wu Dong-shin of Taiwan during their Pacific Rim Organised Fighting mixed martial arts (MMA) match in Taipei February 7, 2010. MMA is a fusion of fight styles that melds the stunning strikes of boxing and muay thai, the sleek submissions of Brazilian jiu-jitsu and the devastating power of wrestling. Now sanctioned in more than 40 U.S. states, the sport is experiencing explosive growth in viewership and participation.