October 31, 2012; San Francisco, CA, USA; San Francisco Mayor Ed Lee presents the key to the city and the broom to the city, in recognition of the Giants "sweep" of the Detroit Tigers to San Francisco Giants CEO Larry Baer during the World Series victory celebration at City Hall. The Giants defeated the Detroit Tigers in a four-game sweep to win the 2012 World Series. Mandatory Credit: Kelley L Cox-US PRESSWIRE