With Darnell Dockett out, Cardinals taking a look at Brett Keisel

There’s not a like-for-like replacement for injured defensive tackle Darnell Dockett at the moment, but the Cardinals are at least looking into someone they know well. According to Kent Somers of the Arizona Republic, the Cardinals are bringing in longtime Steelers defensive end Brett Keisel for a physical today. Keisel would lend some gravity to…