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Thanks to those who passed along notes about the Adam Caplan report Wednesday on the Cardinals adding nose tackle Rodney Leisle.
The team has also brought back one of its unrestricted free agents.
Guard Elton Brown, who has occasionally challenged Deuce Lutui for the starting job at right guard, has agreed to terms on a new contract.
The Cardinals now have nine offensive linemen. That's about how many offensive linemen teams tend to carry during the regular season.
Arizona will add to that total through the draft, presumably, and possibly through free agency, although the Cardinals haven't brought in free agents for visits during the first three weeks of the signing period. The team could always draft one or more linemen, then round out the group with undrafted free agents.
The Cardinals are relatively young on the line. They also have one of the better line coaches in the league in Russ Grimm. They could benefit from adding a center and possibly another prospect at tackle and/or guard.