This new record for the most-watched AFC Championship game was nearly 58 million, which is an increase of 2 million compared to last year's AFC title game, which previously held the viewership record. It also slightly surpassed last year's NFC Championship, which aired later in the day — typically a time slot that performs better overall.

The Kansas City Chiefs are now one win away from making history after defeating the Buffalo Bills in the AFC Championship game. Though star quarterback Patrick Mahomes put together a marvelous performance in the Chiefs' win over Buffalo,

Austin Karp of the Sports Business Journal reported Tuesday that the Chiefs’ 32-29 win over the Bills was seen by 57.4 million people on television. A year go, the Chiefs’ 17-10 win over the Ravens set a record with 55.5 million viewers. That number was topped by nearly 2 million viewers on Sunday.