On Tuesday’s episode of “Deep Waters,” analyst Paulie Malignaggi turned his attention to what is currently shaping up to be one of the most compelling divisions in boxing. With a new mix of titleholders and contenders operating in, or pondering a move to, junior middleweight – including Sebastian Fundora, Tim Tszyu, Israil Madrimov and Serhii Bohachuk – 154 pounds could soon become the sport’s place to be.