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The Bears promoted linebacker Joe Thomas from the practise squad.

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What they didn't do, however, may have revealed more about the state of their defence than their actual move.

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On Friday, Matthew Adams was declared out with a hamstring injury.

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They were going to need at least one more linebacker for special teams.

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Thomas is an eight-year NFL veteran who has served on special teams.

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during the preseason before being cut and re-assigned to the practise squad

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Thomas is familiar with the defence and could play the strong side.

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With Adams unavailable, they could go with rookie Jack Sanborn.

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or with a completely different group that includes Nicholas Morrow.

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shifting from middle to weakside linebacker