EXCLUSIVE CONTENT Get ESPN+ Buyer's guide to cellar dwellersFacebookTwitterFacebook MessengerEmailRob 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 TwitterDec 17, 2014, 10:00 AM ETFacebookTwitterFacebook MessengerPinterestEmail