Who’s the best lightweight in the world? There is no obvious answer to that question because there are a number of talented boxers who fight in one of the deepest divisions in the sport, at least at the top end of the 135-pound weight class. Devin Haney has a strong argument that he’s No. 1 because he’s the undisputed champion, which is a significant accomplishment even if you believe titles have lost their luster.
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Analysis: Is Gervonta Davis the best lightweight boxer in the world? – MMA Junkie