Training kids to become Ultimate Fighters

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By Matthew Seeman By Matthew Seeman
By Matthew Seeman By Matthew Seeman
By Matthew Seeman By Matthew Seeman
By Matthew Seeman By Matthew Seeman
By Matthew Seeman By Matthew Seeman

ARLINGTON, Va. -- Mixed martial arts has exploded in popularity among school children with some programs geared for kids as young as 4-years-old. But how safe is it to train your kid to become the ultimate fighter?