Talking about the materials that make up a baseball with Dr. Meredith Wills (https://twitter.com/Bbl_Astrophyscs). We also revisit two-way players, dig into defensive metrics and why they're difficult, and are reminded that everything old is new again. How one tiny change to the baseball may have led to both the home run surge and the rise in pitcher blisters (https://theathletic.com/381544/2018/06/06/how-one-tiny-change-to-the-baseball-may-have-led-to-both-the-home-run-surge-and-the-rise-in-pitcher-blisters/)Angels Live: What to make of ‘Seam Study’ (https://www.foxsports.com/west/video/1252393539925)