Pittsburgh Steelers Pro Bowl linebacker James Harrison is out indefinitely with a facial break he suffered in Sunday's 17-10 loss to the Houston Texans. Harrison will undergo a surgical procedure Wednesday for a broken orbital bone around his right eye.

Head coach Mike Tomlin said Lawrence Timmons will take over at the right outside linebacker spot, while Larry Foote will step inside to start at inside linebacker for Timmons.

Tomlin also said quarterback Ben Roethlisberger didn't suffer a broken bone in his left foot and is expected to play Sunday against Tennessee.

Defensive end Aaron Smith has a mid-foot sprain and might miss the game.

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