CBS announced Tuesday the game averaged 55.5 million viewers, eclipsing the 54.9 million viewers who tuned in to watch the Pittsburgh Steelers beat the New York Jets 24-19 in January 2011.
The NFL ON CBS delivers the most-watched AFC Championship Game ever with more than 55 million viewers.
Sunday's game peaked with more than 64 million viewers.
CBS Sports leads all networks with its best postseason viewership since the NFL returned to CBS in 1998, including… pic.