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SAN DIEGO -- The San Diego Chargers have placed outside linebacker Antwan Barnes on injured reserve and re-signed guard-tackle Reggie Wells.
Barnes played in 11 of 12 games this season. He had three sacks among six total tackles, including two sacks in a loss to Baltimore on Nov. 25.
Wells spent time with the Chargers earlier this season, but did not appear in any games.
The Chargers (4-8), who play at Pittsburgh on Sunday, need depth on the offensive line due to injuries.