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DeAngelo Williams' big game powered the Panthers to their fourth win of the season.

It was over when ...
DeAngelo Williams scored his third touchdown of the game on a 32-yard run with 34 seconds left in the first half. The touchdown put Carolina up 21-0 against a team that couldn't move the ball.

Game ball
Kansas City had no answer for Williams. The Carolina running back had his best game of the season, running around the Chiefs' defense for a career-high 123 yards and two scores, and adding a 25-yard TD catch.

Key stat
The Panthers outgained the Chiefs by 315 yards. The Chiefs were outrushed 206-35 for the game, and had just 3 yards on the ground in the first half. The Panthers also had a 20-8 advantage in first downs for the game.

Noteworthy
Kansas City's Tony Gonzalez broke Shannon Sharpe's NFL record for most receiving yards by a tight end with a 6-yard grab in the first quarter. He now holds the TE marks for receptions, yards and touchdowns in a career. ... Damon Huard became the first Kansas City QB to start consecutive games this season. He was replaced by Tyler Thigpen early in the fourth quarter. ... Williams recorded his first-career three-touchdown game. ... Carolina recorded its first shutout since a 15-0 win over St. Louis on Nov. 19, 2006.