History of how NFL playoffs have expanded
NFL owners approve modified overtime rule ensuring possession for both teams in playoff games
Overtime modification heads list of NFL rule change proposals - Pats Pulpit
The NFL's stupid overtime rules prevented an all-time great playoff game from being even better
NFL overtime rules for playoffs, explained: How is winner determined?
The NFL's Overtime Rule Change Took Too Long, But Why? - FanBuzz
NFL overtime rules: 63% of fans think they need to change - Pride Of Detroit
New Postseason OT Rules In The NFL - ESPN - SportsCenter.com- ESPN
NFL overtime rules 2018: How does it work?
NFL changes playoff overtime rule after Kansas City Chiefs vs Buffalo Bills thriller
It's time for the NFL to change its overtime rules
NFL coaches are divided over whether to change overtime rules