Cardinals find some defensive line depth with Isaac Sopoaga

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If at first you don’t succeed, try to find a defensive tackle who played on the other end of Pennsylvania.

According to Kent Somers of the Arizona Republic, the Cardinals are signing veteran lineman Isaac Sopoaga after working him out this afternoon.

Sopoaga had a long run with the 49ers, and was an early free agent pickup by the Eagles last year. But he didn’t make it through the season, making an appearance with the Patriots as well.

The 32-year-old is more of a nose tackle, and not a comparable player to Darnell Dockett, who was lost to a torn ACL.

The Cardinals tried to bring longtime Pittsburgh defensive end Brett Keisel in before he signed to return to the Steelers.