1967 Baltimore Colts season
The Baltimore Colts season was the fifteenth season for the team in the National Football League. They finished the regular season with a record of 11 wins, 1 loss, and 2 ties, the same record in the Western Conference's Coastal division with the Los Angeles Rams, who defeated them in the regular season finale; the two had tied in mid-October. The Colts lost the new tiebreaker and thus did not make the playoffs, which included only the four division winners.
The Colts' official winning percentage of is the best in North American professional sports history for a non-playoff-qualifying team. It is also remarkable that the Colts entered the final game undefeated and yet did not qualify for the playoffs.