The Arizona Cardinals are placing outside linebackers Lorenzo Alexander and Sam Acho and Lorenzo Alexander on injured reserve, ending their seasons.
Alexander suffered a Lisfranc foot sprain and Acho broke his fibula during a 31-7 loss to the New Orleans Saints.
The Cardinals' depth consists primarily of veteran linebackers John Abraham, Matt Shaughnessy and rookie Alex Okafor, a fourth-round draft pick.
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Aaron Wilson covers the Ravens for The Baltimore Sun.