Quick: name some junior middleweight unification bouts. If it took you a few minutes to come up with more than a couple, you're not alone, because there haven't been that many. That's at least part of what makes the Jermell Charlo vs Brian Castaño clash notable, though it's a compelling matchup otherwise.

On this episode of the Knuckles and Gloves Boxing Radio podcast, Patrick Connor and Aris Pina give the Charlo-Castaño main event a preview and talk about the co-feature, Rolando Romero vs Anthony Yigit. We couldn't do a whole show without talking history, though, so discussion of other junior middleweight unifications from history is also on the menu.

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