The Latest: Smith gets another head hit, out with concussion
![The Latest: Smith gets another head hit, out with concussion](http://bloximages.chicago2.vip.townnews.com/democratherald.com/content/tncms/assets/v3/editorial/a/b7/ab71105d-3018-52e7-b567-1c45311126d9/5816368dde3e9.image.jpg?resize=300%2C268)
Carolina Panthers' Thomas Davis (58) returns an Arizona Cardinals fumble for a touchdown in the first quarter of an NFL football game in Charlotte, N.C., Sunday, Oct. 30, 2016. (AP Photo/Mike McCarn)