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.

“There is a flag,” CBS play-by-play standby Jim Nantz announced to the masses watching at home. Kevin Harlan, calling the game for Westwood One Radio, echoed the call. Except, no penalty had been called. The play would count. The Kansas City Chiefs were one clock-killing drive away from a third straight Super Bowl.

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.

Viewers were left confused when the "flag" graphic popped up on the screen following what became the Bills' final offensive play of the contest even though no penalty had been called.

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.

Nantz is aware not only of the Chiefs’ quest to become the first team in NFL history to win three straight Super Bowls, but their attempt to join the New York Giants as the only teams to appear in a title game five times in a six-season span.

The Kansas City Chiefs booked their place in a third consecutive Super Bowl appearance after defeating the Buffalo Bills in the AFC Championship Game

CBS got Buffalo Bills fans' hopes up on Sunday after Josh Allen's incomplete pass to Dalton Kincaid, with the score bug signaling that a flag had been thrown on the play

The final minutes of Sunday night's AFC Championship Game featured an atypical mistake from CBS play-by-play announcer Jim Nantz. On the Bills' final offensive snap, an incomplete pass on fourth down by Josh Allen with 1:54 remaining,