‘Mouth Piece Guy’ Jeff D., right, working with a new customer inside of Johnny Tocco’s (Photo: Chris Robinson)

By Chris Robinson

When it comes to custom mouthpieces in the boxing game, nobody quite seems to have a handle on things like the ‘Mouthpiece Guy’ Jeff D.

At Hustle Boss we caught up with MPG inside of the Mayweather Boxing Club in February, where he was seen helping out prizefighters Ishe Smith and Badou Jack with their first custom piece. The two have since gone on to be repeat customers.
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