João Carvalho: Portuguese MMA Fighter Dies From Brain Injuries Sustained in Bout

Franck 'The Answer' Edgar (R) fights with Tyson Griffin during UFC 67 at the Mandalay Bay Hotel in Las Vegas, Nevada on February 4, 2007. Started in 1993, the Ultimate Fighting Competition (UFC) is a combination of martial arts and boxing. Gabriel Bouys/AFP/Getty Images
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