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The Browns also re-signed offensive lineman Oniel Cousins and tight end Alex Smith, both backups.

San Francisco released cornerback Shawntae Spencer, who became expendable after Carlos Rogers re-signed with the 49ers and Perrish Cox was added as a free agent.

New England have re-signed special teams captain Matthew Slater and signed defensive tackle Marcus Harrison. Slater made his first Pro Bowl last season, and has played wide receiver and safety in his four seasons with the Patriots.