Timeline of the National Football League - Wikipedia
History suggests 0-2 start is too difficult to overcome in the NFL
3 teams KC Chiefs have the worst record against in NFL history
How many 6-0 teams have missed the playoffs in NFL history?
All time team win percentage : r/nfl
Super Bowl history: Wins, losses, results, teams, appearances
The Longest Playoff Streaks in NFL History
Airing It Out: The Highest-Scoring Games in NFL History
Chart Party: The history of the NFL, 1987-2016