Can Polamalu outthink Manning?
Peyton Manning is the master of reading defenses, but Troy Polamalu will try his best to confuse the Colts' QB.
The Steelers are confident and have momentum, but they'll have to play a lot better than they did in Week 12, when they were blown off the field by the then-undefeated Colts.
Can Pittsburgh pull off the upset? The key will be finding the right matchups. Here is a look at five to keep an eye on in this game: