San Francisco 49ers mascot Sourdough Sam performs during halftime of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. (AP Photo/Tony Avelar Stock Photo - Alamy
A Detroit Lions fan cheers before the start of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Sept. 16, 2012. (AP Photo/Tony Avelar Stock Photo - Alamy
A detroit lions fan cheers hi-res stock photography and images - Alamy
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A detroit lions fan cheers hi-res stock photography and images - Alamy
NFL - The San Francisco 49ers head on the road to take on the Detroit Lions. Who do you have winning this one? #WeRunAsOne 📺: #SFvsDET -- Tomorrow at 1pm ET on
San francisco 49ers fans cheer hi-res stock photography and images - Alamy
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