Chiefs fans can be found in all 50 states. Here's the proof.
Chiefs jerseys: the top 5 every Chiefs fan should own - Arrowhead Pride
Arrowhead Pride: For Kansas City Chiefs Fans
Kansas City Chiefs - Wikipedia
The best Kansas City Chiefs to ever wear the uniform: No. 42
KC Chiefs catch huge break with NFL's postseason rule changes
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As the Kansas City Chiefs Return to the Super Bowl, So Too Will the Tomahawk Chop - The New York Times