Bills' Josh Allen reacts to overtime coin toss during AFC Championship Game

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Fans inside Arrowhead Stadium during Sunday Night’s AFC Championship Game roared before the start of overtime after the Kansas City Chiefs won the coin toss. Familiar territory. 

The Chiefs benefited from the NFL’s overtime rules in their divisional victory over the Buffalo Bills last week. But on Sunday, Patrick Mahomes’ intercepted pass gave way to the Cincinnati Bengals' thrilling 27-24 victory.

CHIEFS’ PATRICK MAHOMES STANDS BY NFL OVERTIME RULES: ‘IT’S NOT ABOUT THE OFFENSE EVERY SINGLE TIME’ 

Josh Allen of the Buffalo Bills walks off the field after being defeated by the Kansas City Chiefs in the AFC Divisional Playoff game at Arrowhead Stadium on Jan. 23, 2022 in Kansas City, Missouri.  (David Eulitt/Getty Images)

For Bills' quarterback Josh Allen it was too soon. 

"Pain," the veteran quarterback tweeted out after the coin toss. 

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The Bills lost 42-36 after the Chiefs won the coin toss and scored on their first possession – meaning Allen never touched the ball but things played out differently for Joe Burrow. 

Vonn Bell's interception allowed the Bengals to drive the ball down into Kansas City territory. Then Evan McPherson locked it in with a 31-yard field goal to end the game.

Kicker Evan McPherson of the Cincinnati Bengals celebrates with holder Kevin Huber after hitting the game winning field goal in overtime against the Kansas City Chiefs to win the AFC Championship Game at Arrowhead Stadium on Jan. 30, 2022 in Kansas City, Missouri.  (David Eulitt/Getty Images)

Mahomes initially defended the rules after the Chiefs’ win over the Bills saying, "It's not about the offense every