David Epstein is the two-time New York Times Best-Selling author of Range: Why Generalists Triumph in a Specialized World and The Sports Gene: Inside the Science of Extraordinary Athletic Performance. He is currently an investigative journalist for ProPublica and is widely considered a thought leader in debunking the infamous 10,000 Hour Rule. Epstein joins Nick to discuss his evidence-based theory on the importance of avoiding early specialization and why physical literacy, sampling period, and match quality should be commonplace in every youth sports stakeholder's vocabulary.