The Arizona Cardinals have placed linebacker Joey Porter on injured reserve, Darren Urban of AZCardinals.com reports. Porter, 34, had 16 tackles and one quarterback sack in six games this season, but has missed the last eight weeks with a knee injury that required a surgical procedure. Signed to a three-year, $17.5 million contract in 2010, Porter had five quarterback sacks in 14 games in his first season with the Cardinals. Source: Mac's Football Blog
