PIttsburgh Steelers quarterback Ben Roethlisberger practiced for the third day in a row after suffering  a concussion last Sunday.

He's on track to start Sunday night's game against the Baltimore Ravens.

Meanwhile, defensive end Travis Kirschke (calf) praciced again.

Not practicing and not expected to play: safety Troy Polamalu (strained posterior cruciate ligament) and offensive guard Chris Kemoeatu (sprained medial collateral ligament).

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