NFL Analytics Textbook is a free educational resource for understanding professional football through data, statistics, and decision-making. Its 43-chapter textbook guides readers from foundational concepts to advanced methods, covering offensive and defensive analytics, special teams, game theory, personnel, college football, and implementation. Topics include Expected Points Added (EPA), win probability, and data-driven strategies for sports betting and fantasy football.

The site complements its lessons with 137 plain-English explainers, each presenting a metric or study with supporting charts and important caveats. Readers can explore subjects ranging from expected points and success rate to home-field advantage, weather, and betting-market accuracy. More than 31 interactive tools and calculators let users apply the concepts, including an EPA calculator, fourth-down decision tool, win-probability calculator, betting expected-value calculator, Kelly Criterion calculator, and odds converter. The resource also offers R and Python code, worked examples, betting guides, and season analysis. Its 2026 coverage includes team and division previews, game predictions, and a prediction ledger designed to publish forecasts before kickoff and grade them afterward.