College Football Playoff first round will likely go head to head with NFL
NFL - And then there were eight. #NFLPlayoffs
Detailing Meaningful Week 17 Games That Impact Steelers' Playoff Scenarios - Steelers Depot
National Football League - Wikipedia
NFL playoffs: Should the league go back to a 12-team bracket?
Percentage of NFL teams that make the playoffs at any point in the season - early season games really are important! : r/nfl
NFL playoffs first look: What to like, dislike about 12 teams playing on Super Wild Card Weekend
Pros and cons of the NFL's playoff expansion, the first big format change in 30 years
Cowboys playoff picture: Ranking the four potential 1st-round opponents - Blogging The Boys