Arizona defensive tackle Eric Swann will have arthroscopic surgery on his right knee Wednesday and will be out for an indefinite period.
Swann had decided to play in pain rather than have surgery on the knee, which hurt so much the two-time Pro Bowler rarely practiced over the past three weeks.
In seven games, Swann had 33 tackles and was tied for the team lead in quarterback sacks with four.
The Cardinals re-signed defensive lineman Jomo Cousins from the practice squad and placed him on the active roster for Sunday's game at Detroit.
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