Matt Cassel is getting another chance to be the Chiefs' starting quarterback.
Cassel will start Thursday night's game at San Diego because Brady Quinn has not been cleared to practice due to a concussion, regaining the starting job - at least for one week - that he lost after a dismal five-game stretch to start the season.
Chiefs coach Romeo Crennel announced Tuesday that Quinn will not be available, and that Ricky Stanzi will serve as the backup. Fullback Nate Eachus was also ruled out with a concussion.
''They will continue with their testing and evaluation and will return when the doctor releases them, and lets us know they're OK,'' said Crennel, adding that doctors haven't told him how long Quinn might be out.
Cassel was scuffling along until he sustained his own concussion a few weeks ago against Baltimore. Quinn took over for a loss to Tampa Bay, and Crennel made the move permanent during the bye week in hopes of igniting a struggling offens...