Dec 16, 2012; Glendale, AZ, USA; Dec. 16, 2012; Glendale, AZ, USA: Arizona Cardinals and Detroit Lions fans in the grandstands bow their heads during a moment of silence to the victims of the Sandy Hook Elementary shooting that occurred in Newtown, Connecticut, prior to the game at University of Phoenix Stadium. Mandatory Credit: Mark J. Rebilas-Imagn Images; Mandatory Credit: Mark J. Rebilas-Imagn Images