Harrison's return was signature moment

James Harrison's amazing interception return changed the complexion of SB XLIII. Scott A. Miller/US Presswire

TAMPA, Fla. -- Super Bowl XLIII featured -- in my opinion -- the greatest play in Super Bowl history, but it also might have been the greatest game.

The Steelers' 27-23 victory over the Arizona Cardinals had it all. James Harrison's 100-yard interception return for a touchdown on the last play of the first half was the greatest play in 43 Super Bowls because it caused a 14-point swing at a critical point in the game. Had the Cardinals scored a TD from the Steelers' 1-yard line, they would have led 14-10. Instead, Harrison's amazing return gave the Steelers a 17-7 lead.