The San Francisco Giants celebrate defeating the Detroit Tigers in the tenth inning to win Game Four of the Major League Baseball World Series at Comerica Park. – Photo by AFP

San Francisco Giants fans celebrate with a BONFIRE. – Photo by AP

A San Francisco Giants fan jumps over a bonfire in San Francisco's Mission district. – Photo by AFP

Baseball fans jump on a bus in celebration at Civic Center Plaza. –Photo by Reuters

Police officers try to disperse San Francisco Giants fans celebrating their team's winning of the World Series. – Photo by AFP

A police officer confronts a baseball fan outside AT&T Park. – Photo by Reuters

Firefighters extinguish a bonfire set by baseball fans outside AT&T Park. – Photo by Reuters

San Francisco Giants fans celebrate their team's winning of the World Series. – Photo by AFP

A baseball fan attempts to sweep up broken glass on a street as fans celebrate. – Photo by Reuters

A baseball fan sits on a light post in celebration. – Photo by Reuters