Jay Cutler remains unable to play, out with a sprained left ankle said Bears coach Marc Trestman.

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(KSDK Sports) -- It'll be a battle of the back ups this Sunday when the St. Louis Rams face the Chicago Bears. The Bears are planning to start quarterback Josh McCown next Sunday against Rams' quarterback Kellen Clemens. Jay Cutler remains unable to play, out with a sprained left ankle said Bears coach Marc Trestman.

McCown is 2-0 as a starter this season, defeating the Packers on Nov. 4 and the Ravens on Sunday. He has not thrown an interception in 101 pass attempts.

Via: By Rich Campbell, Tribune reporter