NFL Playoffs: Overtime rules for the NFL's 2016 postseason games - Baltimore Beatdown
New NFL overtime rules, explained: How Bills vs. Chiefs helped change playoff OT format
NFL approves overtime change for playoffs only: 'Overtime is permanently changed'
2023 Rules Changes and Points of Clarification
2022 NFL Overtime Rules - OnFocus
NFL will be considering proposals for new overtime rules - The Falcoholic
Does the NFL need to change its overtime rules? : NPR
New NFL Overtime Rules? Just A Minute - Sactown Sports
NFL Reminds Clubs of Uniform and Equipment Rules