This book explains how the NFL determines each team's opponents and how the league's scheduling format has evolved throughout the years. It includes a history on the evolution of the pro football schedule, explores all of the scheduling formulas used in the National Football League, American Football League and the All-America Football Conference, presents home-and-away opponent charts from 1933 through the 2017 season, and provides a detailed explanation of how playoff game sites have been determined in pro football history.