The Steelers have always been buoyed by a veteran defense, but for the first time in a decade, they might have to consider life without one of their lynchpins.
Though he still has two years left on his contract, Polamalu saw a sharp decline in production this year. In addition, he did not record a sack or an interception.
"Honestly, we just lost a game," Polamalu said. "I don't think I'm prepared to even think about that or talk about that at this time."
Harrison will be 37 at the start of next season, and despite what sounds like an intent on trying to play, he too has realized that the end might be near.
"We'll see," Harrison said. "I'm not going to answer a question (about the future) right now because I'm not in the right mind frame."