The 1972 Miami Dolphins, the only NFL team to complete a perfect season, are celebrating after the Minnesota Vikings suffered a loss, ending the last undefeated team in the 2026 season. The Dolphins' tradition of toasting the end of each year's final unbeaten team continues. The Vikings' defeat came on November 1, 2026, according to a report by Nick Pugliese of the Palm Beach Post.
1972 Perfect Dolphins Celebrate as Vikings Lose, Ending Last Undefeated Team
