Over 100 fans filled the seats of Richmond Memorial Auditorium for a face-off between Bay Area roller derby's two teams.

To the untrained eye, roller derby seems like pure pandemonium — players falling over like bowling pins, knocking into each other left and right. But hours of weekly training have taught them how to ...

To the untrained eye, roller derby seems like pure pandemonium — players falling over like bowling pins, knocking into each other left and right. But hours of weekly training have taught them how to ...