The Pittsburgh Steelers came into Sunday's matchup against the Chiefs as the NFL's most prolific offense, averaging a league-best 425 yards per game.
But on Sunday, the Chiefs defense rose to the challenge, holding the Steelers to just 282 total yards.
It was Steelers quarterback Ben Roethlisberger, who came into the game ranked as the No. 2 quarterback in the NFL by averaging more than 315 yards passing per game, that the Chiefs defense planned for all week.
The Chiefs defense rose to the challenge, and still has yet to allow a 300-yard passer this season.
The Chiefs held Roethlisberger to 18 of 25 for just 220 yards and one touchdown. It was only the fourth time this season that Roethlisberger was held under 225 yards passing.
The second member of the Steelers offense who grabbed many of the headlines this week was running back Le'Veon Bell, who came into the game against the Chiefs as the No. 2 running back in the NFL with 2,043 total yards from scrimmage.
Before Sunday's game, Bell had rushed 262 times for 1,278 yards and caught 76 passes for 765 yards.
But once again, the Chiefs defense answered the call with Bell.
Bell finished the game with 20 carries for 63 yards and one touchdown, adding one catch for 9 yards as well. His 72 total yards from scrimmage is just shy of half of his normal output this season (145 yard per game).
Only twice this season had Bell been held to a lower total yardage output than he was on Sunday (Baltimore Ravens – 58, New York Jets – 69).
The third member of the Steelers offense that stole some of the headlines this week was receiver Antonio Brown, who led the NFL with 1,498 yards before Sunday's game against the Chiefs.
The Chiefs defense answered that call too.
Kansas City Chiefs vs the Pittsburgh Steelers on December 21, 2014
Brown was held to just seven catches for 72 yards, which is the lowest total from him this season.
"Most of these games we lose, it's not because another team is whipping us," Chiefs linebacker Tamba Hali said after the game. "We shoot ourselves in the foot sometimes and we don't know how to bounce back from it. When we play as a team and pull all three units together, it's hard to play against us.
"We have to find a way to be consistent in doing that."
Despite falling short as a team, one of the big storylines coming into the game was how the Chiefs defense would matchup with the prolific Steelers offense, and while they may have lost the game, the defense answered the call on Sunday.
The Chiefs still have a chance at the playoffs, but they're going to need some help.