Daniel Dubois has left trainer Don Charles following his stoppage defeat by Oleksandr Usyk.
Dubois will now be working with former Anthony Joshua coach Tony Sims as he attempts to get his career back on track. Dubois' decision comes hot on the heels of Charles' assistant trainer Kieran Farrell announcing he would no longer be working with the former world champion.
Dubois began working with Charles two years ago following a spell with Shane McGuigan, son of boxing legend Barry. Before that, Dubois had been under the tutelage of Mark Tibbs.
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