Explaining NFL playoff overtime rules, changes made and how they differ from regular season - The Athletic
Owners approve eliminating overtime in the preseason - NBC Sports
Why does the NFL even have a clock in playoff overtime? They will play until someone wins. - Quora
Eagles rally for preseason tie with Browns
NFL Overtime Rules: Explaining How It Works (And Why They're Dumb) - FanBuzz
Is there overtime in NFL preseason games?
2023 NFL overtime rules: Regular season vs playoffs
When overtime wasn't sudden death – Quirky Research
What Are New NFL Playoff Overtime Rules?
NFL overtime rules: A timeline of every failed NFL team proposal to change OT format since 2010