According to a report by Sports Business Journal editor Austin Karp, the Kansas City Chiefs' playoff matchup against the Buffalo Bills on Sunday was the most-watched AFC Championship Game in NFL history.

If you were watching the AFC Championship game on CBS over the weekend, then give yourself a pat on the back, because you were part of television history. The game between the Kansas City Chiefs and Buffalo Bills had an average audience of 57.

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.