Super Bowl 2023: What time does the game start? Who is playing? - Los Angeles Times
NFL playoffs schedule 2023: UK start times, how to live stream, odds and overtime rules
NFL Schedule Release: Week 1 Games and More - The New York Times
NFL overtime rule change: Three teams vote no on league's latest proposal - Sports Illustrated
NFL scores and more, Week 14 2021: 32 things we learned
The Numbers Behind the NFL's Crazy Playoffs - WSJ
NFL owners approve rule change for OT in playoffs
NFL Overtime Rules: Regular Season vs. Playoff Rules, Possession, Scoring, and More
NFL overtime rules changed for playoffs, ensuring shot for each team
Don't tweak the NFL overtime rule, fix it - Los Angeles Times
American football rules - Wikipedia