The NFL in the 1970s: Pro Football's Most Important Decade by Joe Zagorski
The National Football League in the 1970s represented a new epoch in professional football. The 1970 merger between the American Football League and the National Football League laid the foundation for a stronger brand of gridiron competition, providing a new level of excitement for fans. This book examines each year of the NFL's pivotal decade in detail, covering the great names, great rivalries and great games of the '70s. The author explains key changes in both strategy and rules and how pro football developed into the near-religious American tradition we see today.