Smith out for Monday Night Football

San Francisco playing without starting quarterback

Published On: Nov 19 2012 01:50:14 PM EST
SAN FRANCISCO -

San Francisco 49ers quarterback Alex Smith has been declared out for Monday night's game against Chicago with a concussion.

Team medical director Dr. Dan Garza evaluated Smith, who was hurt eight days ago against St. Louis.

The 49ers will start second-year quarterback Colin Kaepernick, who replaced Smith in the 24-24 tie with the Rams last week.

Chicago also is without starting quarterback Jay Cutler because of a concussion. Jason Campbell will start