(AP Photo/Travis Heying)

KANSAS CITY, Mo. (AP) The Chiefs were going nowhere on offense against Pittsburgh early Sunday night, so coach Andy Reid had wide receiver Mecole Hardman take a shotgun snap and hand off to running back Darrel Williams on a trick play.

Their exchange hit the ground, T.J. Watt picked it up and returned the fumble for a touchdown.

It was precisely the kind of play that should have energized the heavy underdogs, playing in a tough environment on the road, but it wound up doing something else entirely: It ticked off Chiefs quarterback Patrick Mahomes.

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