Patrick Mahomes' three touchdown passes keyed the Kansas City Chiefs to a convincing 29-10 win over the Pittsburgh Steelers on Christmas Day. With the win, the Chiefs clinched the AFC's No. 1 seed and the coveted first-round playoff bye that comes with it.

On Wednesday afternoon, the Kansas City Chiefs won their 15th game of the year with a road demolition of the Pittsburgh Steelers on Christmas Day. The Chiefs rolled from the start of this one, sending Steelers fans heading for the exits long before the final seconds had ticked off of the clock.

Andy Reid got into the Christmas spirit. The Chiefs coach made a postgame outfit change, swapping his sideline attire for a Santa Claus outfit, to deliver the good news to his Chiefs players after their 29-10 win over the Steelers clinched the AFC title and a first-round bye.