Harrison Smith, Anthony Barr and Linval Joseph ruled out for Vikings

MINNEAPOLIS -- As the Minnesota Vikings head out to Arizona to face the Cardinals on Thursday night, they're going to have to face the league's top-ranked offense without the same key defenders who were missing during Sunday's 38-7 loss to the Seattle Seahawks.

Linebacker Anthony Barr left Sunday's game against Seattle after re-aggravating a groin injury, and he will be unable to go on Thursday night against Arizona.The Vikings ruled out safety Harrison Smith, linebacker Anthony Barr, defensive tackle Linval Joseph and safety Andrew Sendejo for Thursday's game, meaning they'll be without arguably their top player at three levels of their defense (Joseph, Barr and Smith), as well as their…