Chiefs eye 3-0 start against winless 49ers

Matt Cassel has only 244 passing yards in two games this year.

(Tony Dejak / Associated Press)

The storyline
Could the Chiefs knock off a second preseason division favorite in just their second game at the revamped Arrowhead? The 49ers need to get going, and fast.

Why you should watch
In this September of the quarterback controversy, high-priced Kansas City signal-caller Matt Cassel could be playing his way into one, too. Not that the Chiefs have strong options behind him.

Did you know?
The 49ers are 8-0 when Alex Smith starts and has a passer rating of at least 96. ... San Francisco TE Vernon Davis has five touchdowns in his last four games against AFC opponents. ... The Chiefs have not won consecutive home games since 2006-07. ... Kansas City DT Glenn Dorsey has four career fumble recoveries.