Fans swarm AT&T Park for outdoor party

No sooner did Sergio Romo’s strikeout ball hit Buster Posey’s glove did San Francisco start celebrating. And the party started right at the center of The City’s baseball universe: AT&T Park.

More SFBay World Series Coverage• Giants sweep Tigers to take home title

Fans rushing out of the Hi Dive, Momo’s, Tres Agaves and countless other SoMa watering holes made a beeline for the ballpark and celebrated the Giants’ second World Series title in three years with loud, raucous, well-intentioned chaos.

The next big party? Wednesday morning — Halloween — when another World Series parade crosses San Francisco streets.