FightHype.com recently caught up with Derrick James and Ronnie Shields, the trainers of WBC jr. middleweight champion Jermell Charlo and WBC middleweight champion Jermall Charlo, who talked about their upcoming fights with unified champion Jeison Rosario and top contender Sergiy Derevyanchenko. You don't want to miss what they had to say. Check it out!
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