Cardinals put Ali Highsmith on injured reserve, sign Pago Togafau from Saints' practice squad

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TEMPE, Ariz. (AP) -- The Arizona Cardinals have signed linebacker Pago Togafau and placed linebacker Ali Highsmith on injured reserve due to an injured right knee.

Togafau signed with Arizona as an undrafted rookie free agent in 2007 out of Idaho State but was released in training camp that same year and then claimed by the Philadelphia Eagles.

Togafau appeared in seven games on special teams with the Eagles, who released him Aug. 30.

He then signed with the New Orleans Saints' practice squad on Oct. 8.