On this edition of The SIS Baseball Podcast, Mark Simon (@MarkASimonSays) is joined by Wall Street Journal national baseball writer Jared Diamond (@jareddiamond), author of the new book, Swing Kings: The Inside Story of the Home Run Revolution. Jared and Mark discuss who these people are that have established themselves as hitting experts (2:08), the communications aspect of trying to teach hitting (5:37), which superstar players have benefited the most from swing coaches (7:04), how much of the home run increase is related to swings vs the changing baseball (12:48), and Jared’s experience as a hitting pupil (17:11).Get your copy of Swing Kings: The Inside Story of the Home Run Revolution at HarperCollins.com or wherever books are sold.