American football rules - Wikipedia
How NFL's new Thursday night flex scheduling works; impact on Packers
No. 14 North Carolina faces the test of slowing a mobile QB in Saturday's visit from Syracuse, Sports
NFL overtime history: Revisiting the 12 playoff games that have gone to OT since 2010 rule change
Immaculate Reception at 50: West Mifflin man still holding tight to football, memories surrounding NFL's greatest play - Pittsburgh Union Progress
The 2013 Broncos scored an NFL-record 606 points and have been forgotten - ESPN
The History Of How Football Became America's Favorite Game
Eight players have already played a 17-game NFL season. One is Jerry Rice. And the others
NFL Week 15 Tripleheader: How to Watch Saturday's Games - The New York Times
Colin Kaepernick - Wikipedia
Why NFL games are suddenly on Saturdays in December
2022 NFL season, Week 15: What We Learned from Sunday's games
NFL, NBA and NHL scramble to stem rise in covid-19 outbreaks - AS USA
Why are there NFL games on Saturday? The reason for league's expanded Week 16 Christmas Eve schedule
2023 NFL schedule: League explains Chiefs-Lions Week 1, holidays, more - Sports Illustrated