Las Vegas Sun

July 21, 2017

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Diego Chaves holds Brandon Rios in a headlock during their welterweight fight Saturday, Aug. 2, 2014 at the Cosmopolitan. Rios won after Chaves was disqualified in the ninth round.

Sam Morris / Las Vegas Sun

Diego Chaves holds Brandon Rios in a headlock during their welterweight fight Saturday, Aug. 2, 2014 at the Cosmopolitan. Rios won after Chaves was disqualified in the ninth round.