Ground Rules

"Battle Ball," high-powered motorcross teams equipped with metal claws, protective armor, and a caged car which is used as the moving goal--has risen in prominence to become San Francisco's most coveted underground gambling sport. "Battle Ball," high-powered motorcross teams equipped with metal claws, protective armor, and a caged car which is used as the moving goal--has risen in prominence to become San Francisco's most coveted underground gambling sport. "Battle Ball," high-powered motorcross teams equipped with metal claws, protective armor, and a caged car which is used as the moving goal--has risen in prominence to become San Francisco's most coveted underground gambling sport. "Battle Ball," high-powered motorcross teams equipped with metal claws, protective armor, and a caged car which is used as the moving goal--has risen in prominence to become San Francisco's most coveted underground gambling sport.