Patrick Mahomes and the Kansas City Chiefs left livid after costly offside penalty wipes out potential game-winning touchdown

The Buffalo Bills escaped Arrowhead Stadium with a narrow 20-17 win over the Kansas City Chiefs on Sunday, but the game was not without controversy.

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Patrick Mahomes and the Kansas City Chiefs left livid after costly offside penalty wipes out potential game-winning touchdown, National

Chiefs' Reid still incensed that flag was thrown with no warning for costly offside