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The referee stops the fight as Jon Jones defeats Chael Sonnen in their UFC 159 Mixed Martial Arts light heavyweight title bout in Newark, N.J., Saturday, April 27,2013. Jones retained his title via first round TKO. (AP Photo/Gregory Payan)

The referee stops the fight as Jon Jones defeats Chael Sonnen in their UFC 159 Mixed Martial Arts light heavyweight title bout in Newark, N.J., Saturday, April 27,2013. Jones retained his title via first round TKO. (AP Photo/Gregory Payan)