The last undefeated NFL teams of the past 30 years
How final undefeated NFL team has finished each season – NBC Sports Philadelphia
The last undefeated NFL teams of the past 30 years
The last undefeated NFL teams of the past 30 years
FOX Sports: NFL on X: RT if your team is undefeated! / X
NFL playoffs: Chiefs, Bengals, Eagles and 49ers - meet the teams battling it out to reach Super Bowl LVII in Arizona, NFL News
13 NFL teams that nearly had unbeaten regular seasons
Perfect '72 Miami Dolphins Season Remembered in New ESPN E60 - ESPN Press Room U.S.
List of last undefeated NFL teams by season - Wikipedia