The Arizona Cardinals ruled out wide receiver Marvin Harrison Jr. and running back Emari Demarco for their game Sunday against the visiting Jacksonville Jaguars.

Also on Wednesday, the Cardinals opened the 21-day practice window for running back Trey Benson and signed punter Matt Haack to replace the released Pat O'Donnell.

Harrison will miss his second straight game following appendix surgery, while Demercado sustained a high-ankle sprain in last week's loss to the San Francisco 49ers.

Benson has been on injured reserve since Oct. 1 following arthroscopic surgery on his meniscus. Coach Jonathan Gannon said Benson would be evaluated "day by day" before the Cardinals (3-7) decide to activate him to face the Jaguars (6-4).

Harrison, 23, has 34 catches for 525 yards and four touchdowns in

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