Why did the NFL feel the need to change their playoff format even though they aren't adding any new teams to the league (yet)? - Quora
Cowboys Legends Troy Aikman, Drew Pearson Critical of Cowboys Offense in WC Loss ✭ Inside The Star
NFC Playoff Picture: Updated Eagles wild card scenarios following loss to Cowboys - Bleeding Green Nation
NFL playoff expansion: Teams from AFC, NFC that would have been No. 7 seed if new format was in place
NFL Playoff Picture: NFC Clinching Scenarios, Wild Card & Standings Entering Week 15 Of 2019 Season
NFL Playoff Projection: Cowboys can still steal the NFC East title from the Eagles
Why did the NFL feel the need to change their playoff format even though they aren't adding any new teams to the league (yet)? - Quora
N.F.L. Playoff Picture: Mapping the Paths That Remain for Each Team - The New York Times
Football NFL Playoff Rules