There's plenty of reason for cheer in the Kansas City Chiefs locker room. A 29-10 Christmas day blowout of the Pittsburgh Steelers improved their record to 15-1 and clinched the AFC's No. 1 seed in their quest for an unprecedented third-straight Super Bowl championship.

Coach Andy Reid broke out the Santa Claus suit again following the Chiefs’ win over the Steelers. And he wasn’t the only festively-dressed member of the team.

The Chiefs were feeling the holiday spirit after the game, head coach Andy Reid most of all. He strolled in the away locker room wearing a full-on Santa suit to lead his signature "How 'bout those Chiefs" chant.

The Kansas City Chiefs took care of business in brutal fashion at Acrisure Stadium, downing the Pittsburgh Steelers 29-10 to clinch the No. 1 seed...again and ruin Christmas Day for the home fans in attendance.

Kansas City Chiefs head coach Andy Reid brought holiday cheer to his team after a dominant 29-10 victory over the Pittsburgh Steelers on Christmas Day. As the team celebrated their fourth straight No. 1 seed in the AFC, Reid, dressed as Santa, delivered a special gift to his players.

Kansas City #Chiefs head coach Andy Reid on quick gameplan for Week 17 vs. Pittsburgh #Steelers: ‘Coaches did a good job’ | @EdEastonJr

Thanks to a Week 17 win over the Pittsburgh Steelers, the Kansas City Chiefs are in a fantastic position for the next few weeks. Andy Reid's team officially clinched the No. 1 playoff seed in the AFC on Christmas Day, securing home-field advantage and some ...

It’s been a while since Andy Reid donned a Santa Claus suit for his pregame locker-room speech, but the jolly red suit came out Wednesday at Acrisure Stadium in Pittsburgh for a jolly good reason.

The Kansas City Chiefs and Pittsburgh Steelers faced off in a Christmas Day battle. Kansas City defeated the Pittsburgh 29-10, handing the Steelers their straight loss. Following the AFC duel between Pittsburgh and Kansas City, the Chiefs' official social media account posted a photo of Andy Reid and Mike Tomlin sharing a postgame exchange.

The Kansas City Chiefs defeated the Pittsburgh Steelers handily on Wednesday, offering fans the best Christmas gift they possibly could've asked for. Not only d

With their 15th win, the Chiefs earned the AFC’s No. 1 seed, giving them home-field advantage and a first-round bye in the playoffs.