Two new studies have centered on differences in the baseball as the primary factor in MLB's dramatic rise in home runs over the past two seasons. Washington Nationals right-hander Tanner Roark addresses some of the issues from a pitcher's perspective. In addition, host Steve Gardner touches on some of the latest injury news affecting fantasy owners, featuring comments from Chicago Cubs third baseman Kris Bryant on his sprained ankle. Finally, Steve talks to Cubs rookie 2B/OF Ian Happ on his transition from the minors to the majors, and the important role he's playing with the defending World Series champions.