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With the roof open, the Arizona Cardinals kickoff to the Chicago Bears during the Chicago Bears vs Arizona Cardinals game on October 16, 2006, at the University of Phoenix Stadium, in Glendale, Arizona. The Cardinals lost the game 24 - 23. (Photo by Gene Lower/Getty Images)

With the roof open, the Arizona Cardinals kickoff to the Chicago Bears during the Chicago Bears vs Arizona Cardinals game on October 16, 2006, at the University of Phoenix Stadium, in Glendale, Arizona. The Cardinals lost the game 24 - 23. (Photo by Gene Lower/Getty Images)
Getty Images

Getty Images Sport Gene Lower