Kansas City Chiefs place kicker Ryan Succop (6) celebrates a field goal during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs cheerleaders during the first half of an NFL football game with the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs defensive end Glenn Dorsey (72) during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

San Francisco 49ers cornerback Shawntae Spencer (36) intercepts a pass intended for Kansas City Chiefs wide receiver Dwayne Bowe (82) during the second quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs defensive back Javier Arenas (21) gets past San Francisco 49ers safety Taylor Mays (23) during the first half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Matt Cassel (7) runs during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

San Francisco 49ers wide receiver Michael Crabtree (15) is tackled by Kansas City Chiefs cornerback Brandon Carr (39) during the first half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

Kansas City Chiefs quarterback Matt Cassel (7) throws for a touchdown during the third quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Alex Smith (11) is sacked by Kansas City Chiefs defensive tackle Ron Edwards (95) during the second half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

Kansas City Chiefs coach Todd Haley leaves the field following an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

Kansas City Chiefs running back Jamaal Charles (25) gets past San Francisco 49ers safety Reggie Smith (30) during the second half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

San Francisco 49ers quarterback Alex Smith (11) on the sideline with cornerback Phillip Adams (35) and running back Moran Norris (44) during the second half of an NFL football game against the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Matt Cassel (7) lifts wide receiver Dwayne Bowe after a touchdown during the second half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

Kansas City Chiefs wide receiver Dwayne Bowe (82) catches a touchdown pass from quarterback Matt Cassel during the second half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. The Chiefs defeated the 49ers 31-10. (AP Photo/Ed Zurga)

Kansas City Chiefs running back Thomas Jones (20) leaps over San Francisco 49ers cornerback Nate Clements (22) to score a touchdown during the fourth quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

Kansas City Chiefs running back Thomas Jones (20) celebrates with running back Jamaal Charles (25) after Jones scored a touchdown during the fourth quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

Kansas City Chiefs Todd Haley celebtates with running back Thomas Jones after Jones scored a touchdown during the fourth quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Alex Smith (11) is sacked by Kansas City Chiefs linebacker Tamba Hali during the third quarter of an NFL football game against Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Matt Cassel (7) during the first quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Matt Cassel (7) throws for a touchdown during the third quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs running back Jamaal Charles (25) during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

Kansas City Chiefs center Casey Wiegmann (62) blocks San Francisco 49ers defensive tackle Aubrayo Franklin (92) in front of quarterback Matt Cassel (7) during the first half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs quarterback Matt Cassel pitches the ball to running back Jamaal Charles during the fourth quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. The Chiefs won the game 31-10. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Matt Cassel (7) during the first quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Alex Smith (11) during the first half of an NFL football game with the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

Kansas City Chiefs quarterback Matt Cassel (7) during the first quarter of an NFL football game against the San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Matt Cassel (7) during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs cornerback Brandon Carr (39) breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) during the first quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs Javier Arenas (21) is tackled by San Francisco 49ers Dashon Goldson (38) as he returns a punt during the first quarter of an NFL football game against the Kansas City Chiefs San Francisco 49ers Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs running back Thomas Jones (20) looks for a hole in the San Francisco 49ers defense as he runs for a short gain during the first quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

San Francisco 49ers coach Mike Singletary before the start of an NFL football game against the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

Kansas City Chiefs wide receiver Dexter McCluster (22) dives for a touchdown past San Francisco 49ers safety Dashon Goldson (38), safety Michael Lewis (32) and safety Michael Lewis (32) during the first half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

Kansas City Chiefs wide receiver Dexter McCluster (22) breaks away from San Francisco 49ers linebacker Travis LaBoy (54) for a touchdown during the first half of an NFL football game in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)

San Francisco 49ers quarterback Alex Smith (11) passes to a teammate during the first half of an NFL football game against the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

San Francisco 49ers cornerback Shawntae Spencer (36) intercepts a pass intended for Kansas City Chiefs wide receiver Dwayne Bowe (82) during the second quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs cornerback Brandon Flowers (24) intercepts a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) during the second quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

San Francisco 49ers coach Mike Singletary yells to a game official during the first half of an NFL football game against the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

San Francisco 49ers fans before the start of an NFL football game with the Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Orlin Wagner)

Kansas City Chiefs wide receiver Dexter McCluster (22) catches a pass under pressure from San Francisco 49ers defensive tackle Justin Smith (94) to score a touchdown during the second quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Kansas City Chiefs coach Todd Haley looks at the scoreboard during the first half of an NFL football game against the San Francisco 49ers in Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 26, 2010. (AP Photo/Ed Zurga)