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Champion Jon Jones, top, lands an elbow against Chael Sonnen during 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)

Champion Jon Jones, top, lands an elbow against Chael Sonnen during 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)