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Are the Chiefs the NFL's worst-ever 9-0 team?

It’s like facing criticism for being the least impactful Nobel Prize winner. Or the bottom of the class at Harvard. Or the slowest runner at the Olympics.

People keep disparaging the imperfectly perfect Kansas City Chiefs as the NFL’s worst-ever 9-0 team.

Thirty-four teams in NFL history have started a season 9-0. The Chiefs’ plus-58 point differential is the lowest of any of them. Their total margin of victory is barely a quarter of the plus-208 point differential racked up through nine games by the 2007 New England Patriots on their way to the NFL’s most recent undefeated regular season.