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          Puck-moving defensemen give Tampa Bay the edge

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          May 27, 2015
          • Rob VollmanSpecial to ESPN.com
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              Hockey analytics pioneer Rob Vollman is ESPN Insider's armchair GM, exploring how modern statistics can inform front-office decisions.
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          Hockey analytics pioneer Rob Vollman is ESPN Insider's armchair GM this season, exploring how modern statistics can inform front-office decisions.