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.

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.

NFL AFC championship football game hosts the Buffalo Bills at Kansas CIty Chiefs on Sunday. Here's the start time, channel and streaming.