Before the NFL: Sourdough Sam's Swagger
4,249 Nfl Mascots Stock Photos, High-Res Pictures, and Images - Getty Images
Sourdough Sam Official Mascot of the San Francisco 49ers
Before the NFL: Sourdough Sam's Swagger
Sourdough Sam Santa Clara CA
Sourdough Sam Santa Clara CA
Sourdough Sam Santa Clara CA
Sourdough sam hi-res stock photography and images - Alamy
49ers' Nick Mullens leads victory over lifeless Raiders
List of National Football League mascots - Wikipedia