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During a recent telephone interview, Jeff Mayweather revealed that he has left the Shannon Briggs camp. Briggs, who is preparing for his WBO Heavyweight title shot on Nov. 4, has left his Colorado Springs training camp to train with Chuck McGregor in Phoenix. McGregor is based in Phoenix, which is where Briggs' title fight is going to take place. Among McGregor's notable former clients are Hasim Rahman. [details]
