Bears CBs Vasher, Tillman may sit Sunday (AP)

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Nathan Vasher wouldn't rule out playing Sunday, but a noticeable limp and a cautious tone indicated the Chicago Bears may be without the cornerback when they visit the Detroit Lions. The Bears' other starting cornerback, Charles Tillman, could miss the game, too. Vasher tweaked his groin in last week's 34-10 loss to Dallas, Tillman suffered a high ankle sprain.

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