Clearly there is an unhealthy level of Steeler envy on this site. Texas contingent still wakes up with the shakes at night remembering Bradshaw and Swann while the Viking faithful can't get the image of LC Greenwood chasing Tarkington all over the field.
Not to worry. The Steelers will prevail for a couple of reasons. 1st -- Experience (been there done that), and 2nd, This will be very similar to a home game for the Steelers. Latest estimates have the crowd ratio at about 75% Steelers, 15% neutral and 10% Cardinals. The noise level when the Cards have the ball will be deafening and will make it difficult for Warner to audible at the line or to run a hurry-up offense.
Steelers 23 --- Cards --- 17. Fitzgerald will have a good game but will not dominate. Key of the game will be the Steelers offense against the Cardinals defense. If the Steelers have any level of success running the ball the game will be over.