Steelers head coach Mike Tomlin announced on Tuesday that RB Willie Parker will miss the Week 4 game against the Ravens with a knee sprain. Rashard Mendenhall will start in place of Parker, who was injured late in the loss to the Eagles.

Tomlin did not say how long Parker would be out or the severity of the injury. Mendenhall is a must pickup if he is available in your league . If Parker is out several weeks, the rookie would have great value long term, though he faces an aggressive Ravens defense to start..

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