A look at a player who gave his team a significant boost in Week 2:
Polamalu is back to being the NFL's version of the Energizer bunny -- and that is a welcome sight for Steeler Nation. He recorded six tackles, an interception and three tackles for loss in Pittsburgh's 19-11 victory over Tennessee.
In the past two weeks, Polamalu has proved that he's unquestionably Pittsburgh's most important player. When Polamalu was sidelined last year with a knee injury, the Steelers were inconsistent. With Polamalu back this season the Steelers are off to a surprising 2-0 start, despite playing without suspended franchise quarterback Ben Roethlisberger.
Polamalu is the ultimate chess piece for Steelers defensive coordinator Dick LeBeau. Polamalu is great in run support, can blitz the quarterback, cover receivers and tight ends and play the deep zone all with equal effectiveness.
"I couldn't find a weakness in Troy, and that's a true blessing from a defensive coordinator's standpoint," LeBeau said recently. "He just kind of opens the playbook to anything you want to do. It's just a matter of how far off the diving board you want to go."
Polamalu has proved he's willing to jump off the diving board too, if it means making a big play. Just ask Collins.