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Posted by ESPN.com's Mike Sando
The Cardinals' addressed their injury situation at tight end by signing Stephen Spach at the expense of veteran safety Oliver Celestin.
Fullback Tim Castille played tight end during the Cardinals' 27-23 defeat at Carolina in Week 8. The arrangement helped Arizona get through the game, but Castille wasn't going to provide any favorable matchups in the passing game. That made the Cardinals easier to defend, at least in theory.
Spach opened the season with New England. He played 13 games with the Eagles, starting one, in 2005. He signed with the Patriots last season after going to camp with Minnesota.
Castille and Jerame Tuman were the only healthy tight ends for the Cardinals in Week 8. Starter Leonard Pope and regular contributor Ben Patrick continue to recover from injuries. The Cardinals ran 10 plays from traditional double-tight end sets, averaging 1.0 yard per carry on three rushes while gaining only one first down on seven pass attempts.
The Cardinals also released receiver Onrea Jones from the practice squad. That makes sense now that Anquan Boldin is back from injury and ready to practice full time.