San Diego Chargers center Rich Ohrnberger is inactive against the St. Louis with back and ankle injuries.

Rookie Chris Watt from Notre Dame is expected to replace Ohrnberger, the fourth player to start at center for the Chargers this season.

Also inactive are wide receiver Dontrelle Inman, running back Ronnie Brown, safety Jahleel Addae, linebacker Reggie Walker, defensive tackle Damion Square and defensive tackle Ryan Carrethers.

Addae hasn't played since suffering a concussion in a loss at Denver on Oct. 23.

Inactive for the Rams are wide receiver Damian Williams, defensive back Lamarcus Joyner, cornerback Marcus Roberson, linebacker Korey Toomer, guard-center Barrett Jones, tackle Brandon Washington and defensive tackle Alex Carrington.


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