ESPN's Kirk Goldsberry joins Bill to discuss his new book "SprawlBall" about the perimeter shooting revolution in the NBA over the last decade, including whether or not the drastic changes warrant corresponding rules changes as well as which players are at the forefront (1:07). Plus, author John Urschel joins to discuss his book "Mind and Matter: A Life in Math and Football", including starting his PhD in Mathematics during his career an offensive lineman in the NFL (34:33).Learn more about your ad choices. Visit megaphone.fm/adchoices