Reed Hoffmann / Associated Press

Larry Johnson's tough running led the Chiefs to an upset victory.

It was over when ...
Kolby Smith recovered an onside kick by the Broncos with just over 2 minutes remaining.

Game ball
Running back Larry Johnson rushed for 198 yards and two touchdowns to lead the Chiefs. His 65-yard run in the first quarter helped set up Kansas City's first field goal.

Key stat
The Chiefs intercepted Broncos QB Jay Cutler twice and forced four turnovers overall.

Noteworthy
Tony Gonzalez finished with 47 receiving yards, giving him 10,058 career yards -- 3 short of breaking Shannon Sharpe's all-time mark for tight ends. ... This was the Chiefs' first win since Week 7 of 2007, when they defeated the Raiders 12-10. ... Even with the loss, the Broncos' 3-1 record matches the team's best start since 2005 when they finished 13-3 and won the AFC West.