The 1972 Miami Dolphins are the only team in NFL history to go undefeated and win the Super Bowl, and they'll remain the only team to accomplish that

With the Chiefs -- now 9-1 on the year -- suffering their first loss of the season, the 1972 Miami Dolphins are still the only team in the Super Bowl era to complete a full regular season and postseason undefeated.

Ever since the 1972 Miami Dolphins made history by going a perfect 17-0 to win the franchise’s first Super Bowl, no other team has accomplished this nearly impossible feat. So, every time a team comes close and fails,

With the Chiefs losing for the first time since Christmas Day 2023, the Dolphins' 17-0 season of 1972 remains unmatched by perfection. The Dolphins tweeted an image of Hall of Fame running back Larry Csonka drinking champagne in commemoration of the Kansas City loss.

With the Kansas City Chiefs winning back-to-back Super Bowl championships and starting the 2024 season 9-0, it made all the sense in the world to wonder if they were going to go undefeated. Patrick Mahomes and Co.

With the Kansas City Chiefs' 30-21 loss to the Buffalo Bills on Sunday afternoon, they are now 9-1 on the 2024 campaign. What that means, of course, is that the 1972 Miami Dolphins' streak as the lone undefeated team in NFL history will remain untouched for at least one more season.

Members of the 1972 Miami Dolphins broke out the champagne on Sunday to celebrate another year of solo perfection following the Chiefs’ loss to the Bills.