Interestingly enough, Kevin Harlan and Devin McCourty, calling the game for Westwood One Radio, also said there was a flag on the play, with McCourty speculating that it was for Bills offensive lineman Dion Dawkins taking his helmet off.

For a brief second after Josh Allen's desperate fourth down heave hit the turf at Arrowhead Stadium, the Buffalo Bills had hope. "There is a flag,” CBS play-by-play standby Jim Nantz announced to the masses watching at home.

Tight end Dalton Kincaid was able to track down the ball but could not haul it in, turning the ball over to the Chiefs who ran out the clock and secured the 32-29 victory. There was a bit of mystery on the play, however, with CBS announcer Jim Nantz saying officials had thrown a flag -- a call that was never explained during the broadcast.

Broadcaster Jim Nantz lucked into calling Tom Brady versus Peyton Manning and Patrick Mahomes versus Josh Allen duels.

After Buffalo's failed conversion on fourth and five with 2:01 to play in Sunday's AFC Championship, the thrill of victory (for Chiefs fans) and agony of defeat (for Bills fans) was temporarily suspended.

Tony Romo and Jim Nantz were on the call for the AFC Championship Game between the Kansas City Chiefs and Buffalo Bills

For a few seconds Sunday night, Jim Nantz — and the CBS scorebug — gave the Bills some hope during the fourth quarter of their AFC championship clash against the Chiefs at Arrowhead Stadium. Josh Allen’s final heave that went through the hands of a diving Dalton Kincaid had fallen incomplete.

The CBS crew made a brutal mistake at the end of the Buffalo Bills-Kansas City Chiefs AFC Championship Game on Sunday.

Chris Russo was ticked off watching the end of CBS’ broadcast of the AFC Championship game between the Chiefs and Bills on Sunday.

The Kansas City Chiefs secured their seventh championship round appearance, continuing their dominance in the NFL. Patrick Mahomes' family notably appeared together in the stands, while Mahomes and Travis Kelce faced criticism for alleged flopping incidents during games.

The Chiefs began their dynasty as a high-scoring, overpowering force. This year has been quite different but still could end with a Super Bowl title.