NFL owners approve modified overtime rule ensuring possession for both teams in playoff games
NFL overtime rules and procedures - NBC Sports
NFL overtime rules 2018: How does it work?
Who has made the NFL playoffs? Breaking down the final 14 teams, NFL News
NFL overtime: 13 playoff games that have fueled call for change in OT format
Nothing Will Top The NFL's Greatest Playoff Weekend Ever
The NFL's overtime rule explained and why fans want to see it changed
The NFL's overtime rules, explained
Nothing Will Top The NFL's Greatest Playoff Weekend Ever