Column: With Chiefs-Raiders rivalry rekindled, AFC West foes set for Sunday night showdown - The San Diego Union-Tribune
Kansas City Chiefs and Oakland Raiders not a rivalry
Chiefs–Raiders rivalry - Wikipedia
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Raiders vs. Chiefs: Season Info and Rivalry History
Chiefs-Raiders, Seahawks-49ers: When top NFL rivalries sour – Boulder Daily Camera
Why the Chiefs-Raiders rivalry is hurting - Arrowhead Pride
Raiders visit Chiefs for 'Monday Night Football' showdown - The San Diego Union-Tribune
The Las Vegas Raiders vs. Kansas City Chiefs Through Time