Remembering the 2023 NFL overtime rules - AS USA
Owners approve eliminating overtime in the preseason - NBC Sports
How to watch 49ers at Raiders Preseason game: TV channel, start time - Sactown Sports
The Latest Rules Changed In The NFL
The longest overtime games in FBS college football history
2021 NFL Preseason: Colts to play Panthers, Lions, Vikings
When overtime wasn't sudden death – Quirky Research
Double overtime games in the postseason
Super Bowl 2021: Here are the overtime rules in case of a tie - Los Angeles Times