Polamalu refused to say he was a certainty to play Monday.
"The younger you are, I would think the more repetitions you got the better you'd be," Polamalu said. "But I, obviously, need a lot of repetitions and wasn't able to get those."
The fact Roethlisberger was able to practice on consecutive days is a good sign for the Steelers. If Roethlisberger can't go, 37-year-old Charlie Batch will start in his place.
The Associated Press contributed to this report.