Brazilian jiu-jitsu (/dʒuːˈdʒɪtsuː/; Portuguese: [ˈʒiw ˈʒit(i)su], [ˈʒu ˈʒit(i)su], [dʒiˈu dʒit(i)ˈsu]) (BJJ; Portuguese: jiu-jitsu brasileiro) is a martial art and combat sport system that focuses on grappling with particular emphasis on ground fighting. Brazilian Jiu-Jitsu...