San Francisco 49ers quarterback Colin Kaepernick (7) is tackled by Kansas City Chiefs inside linebacker Josh Mauga (90) and outside linebacker Justin Houston, rear, during the first quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

Kansas City Chiefs quarterback Alex Smith (11) passes against the San Francisco 49ers during the first quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

Kansas City Chiefs tight end Anthony Fasano (80) is tackled by San Francisco 49ers strong safety Antoine Bethea (41) during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Tony Avelar)

Kansas City Chiefs running back Jamaal Charles (25) runs from San Francisco 49ers tight end Demarcus Dobbs (83) and linebacker Ahmad Brooks (55) during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Tony Avelar)

Kansas City Chiefs wide receiver Dwayne Bowe (82) cannot catch a pass in front of San Francisco 49ers defensive back Perrish Cox (20) during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick (7) passes against the Kansas City Chiefs during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Anquan Boldin (81) is tackled by Kansas City Chiefs cornerback Chris Owens (20) and defensive back Ron Parker during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Steve Johnson (13) catches a 9-yard touchdown pass from Colin Kaepernick against the Kansas City Chiefs during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Steve Johnson, right, celebrates with guard Daniel Kilgore (67) after catching a 9-yard touchdown pass against the Kansas City Chiefs during the second quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Tony Avelar)

A San Francisco 49ers cheerleader performs during the first half of an NFL football game against the Kansas City Chiefs in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

Kansas City Chiefs quarterback Alex Smith walks off the field after failing to convert on third down against the San Francisco 49ers during the fourth quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. The 49ers won 22-17. (AP Photo/Tony Avelar)

San Francisco 49ers linebacker Patrick Willis (52) celebrates after the 49ers beat the Kansas City Chiefs 22-17 in an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

In this photo taken with a fisheye lens, Kansas City Chiefs head coach Andy Reid, left, shakes hands with San Francisco 49ers head coach Jim Harbaugh after an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. The 49ers won 22-17. (AP Photo/Tony Avelar)

Kansas City Chiefs quarterback Alex Smith (11) hugs San Francisco 49ers quarterback Colin Kaepernick after an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. The 49ers won 22-17. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers defensive back Perrish Cox (20) rises from the field next to Kansas City Chiefs tight end Anthony Fasano (80) after intercepting quarterback Alex Smith during the fourth quarter of an NFL football game in Santa Clara, Calif., Sunday, Oct. 5, 2014. The 49ers won 22-17. (AP Photo/Tony Avelar)