Stomper, Sourdough Sam compete in United Way fundraiser dance-off in San Francisco

SAN FRANCISCO (KGO) -- Bay Area sports mascots, including Sourdough Sam with the San Francisco 49ers and Stomper with the Oakland Athletics, competed in a fundraiser dance-off on Thursday in San Francisco

The dance-off took place at Mechanics Monument Plaza as a way to raise funds for the United Way Bay Area Koko Challenge.

Click here to learn more about the Koko Challenge!