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

Jim Nantz and Tony Romo found themselves at the center of a CBS broadcast blunder during a pivotal moment in the AFC Championship.

While the crowd at Arrowhead Stadium erupted in joy, Jim Nantz on the CBS broadcast quickly said there was a flag on the play, giving Bills fans a little bit hope during a very dark moment. But then talk of the flag quickly went away as refs apparently didn't throw one and no penalty was called.

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

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,

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.