 Given that the cities of Los Angeles and San Francisco have long been competitors in economic, cultural and political arenas, their new California venues became fertile ground for transplantation of the ancient rivalry.Both teams' having endured for over a century while leaping across an entire continent, as well as the rivalry's growth from cross-city to cross-state, have led to its being considered one of the greatest in sports history.The Giants-Dodgers rivalry has been marked by the Giants' slightly better success.