Black belt James Johnson, Serge Ibaka trade punches in Heat-Raptors game Unknown 02:04 Johnson holds a second-degree black belt and has been involved in martial arts since he was about 7. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsAlaska’s Iditarod sled dog race to begin amid turbulent yearMercedes Start as Favourites, Says Ferrari's Sebastian VettelDoor Open for Sweden World Cup Return, Says ZlatanBarcelona Lead by Five Points After Draw at Las PalmasAlexander Zverev Powers Into Acapulco Semi-finalsJohn Tortorella blames a loss of composure for the Blue Jackets setback in Los Angeles
