Chiefs' Alex Smith: Suffers possible concussion

Smith is headed to the locker room after hitting his head on the turf during Sunday's game against the Colts, NFL Network's James Palmer reports.

Analysis:

Smith will likely undergo concussion testing before having any chance at returning to the field Sunday. Backup Nick Foles will be at the helm for the Chiefs while Smith remains sidelined. An additional update regarding Smith's status should become available upon the release of more information.