Tim and The Athletic's Michael Silver discuss Silver's new book on the group of coaches who came up with Kyle Shanahan, how they all interact and what Shanahan thought of this project. Also: Can the 49ers ever beat the Chiefs?

To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy

Learn more about your ad choices. Visit https://podcastchoices.com/adchoices