After opening presents, NFL fans will be treated to a doubleheader of action on Christmas Day. The first game will pit the 14-1 Chiefs against the 10-5 Steelers in a matchup between two playoff-bound teams.

The NFL's Netflix debut kicked off on Christmas Day without a glitch. Mariah Carey opened Wednesday’s doubleheader with a taped performance of “All I Want for Christmas is You” before Patrick Mahomes,

The Queen of Christmas brought the holiday spirit to Netflix's NFL doubleheader Wednesday. Mariah Carey opened the streaming giant's Christmas game day broadcasts with a recorded performance of "All I Want for Christmas Is You.