Filed under: Featured , News , UFC At 28, UFC lightweight champion Conor McGregor already has amassed more money and fame than the vast majority of people will know in a lifetime. And should a highly talked-about matchup against boxing legend Floyd Mayweather (49-0 boxing) eventually come to fruition, McGregor’s already well-off bank account will certainly contain enough to carry the Irishman and his currently expanding family through a rather comfortable retirement. But, at least according to longtime coach John Kavanagh, McGregor (21-3 MMA, 9-1 UFC) isn’t about to hang up his MMA gloves just yet
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