EXCLUSIVE CONTENT Get ESPN+ Puck-moving defensemen give Tampa Bay the edgeElsa/Getty ImagesRob Vollman, Special to ESPN.comCloseHockey analytics pioneer Rob Vollman is ESPN Insider's armchair GM, exploring how modern statistics can inform front-office decisions.Follow on XMay 27, 2015, 10:20 AM ETEmailHockey analytics pioneer Rob Vollman is ESPN Insider's armchair GM this season, exploring how modern statistics can inform front-office decisions.
