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.

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 ...

The Chiefs celebrated Christmas in style, as Kansas City clinched the No. 1 seed in the AFC with a 29-10 win over the Steelers on Wednesday. The victory makes up for last year's Christmas loss when the Chiefs were upset by the Raiders.

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.

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

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.