He started training in judo in 1978 , and has since attained black belts in 10 different martial arts styles .
Kelly became interested in martial arts as a child after watching fights by Bruce Lee and Muhammad Ali .
Kelly started training in judo in 1978 , and has since attained black belts in 10 different martial arts styles .
Kelly became interested in martial arts as a child after watching fights by Bruce Lee and Muhammad Ali .