Feb 3, 2016; San Francisco, CA, USA; General view of NFL golden shield logo at Niketown San Francisco Union Square prior to Super Bowl 50. Mandatory Credit: Kirby Lee-USA TODAY Sports /
Dec 27, 2015; Detroit, MI, USA; Detroit Lions head coach Jim Caldwell during the first quarter against the San Francisco 49ers at Ford Field. Mandatory Credit: Tim Fuller-USA TODAY Sports /