Sourdough Sam is the hardest working mascot in the NFL. Striking gold at Candlestick Park in 1994, Sourdough was drafted to the 49ers as the team's official mascot! Sourdough Sam is a gold miner that loves to have fun, and pumps up the 49er faithful at every home game. Known for his love of sourdough bread, SDS would take the bread with him on a hard day's work of digging in the gold mines. With his miners pick in the air Sam leads the San Francisco 49ers on to field now at Levi's®️ Stadium.