Kansas City Chiefs wide receiver Junior Hemingway (88) runs in front of San Francisco 49ers strong safety Jimmie Ward 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) is pressured by San Francisco 49ers linebacker Aaron Lynch 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 cheerleaders perform before an NFL football game between the 49ers and the Kansas City Chiefs in Santa Clara, Calif., Sunday, Oct. 5, 2014. (AP Photo/Marcio Jose Sanchez)

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)

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)