Melky Cabrera introduced himself to the LosAngeles Dodgers on Tuesday in a way that will force them to takenotice ahead of 18 games between the ancient rivals thisseason. The new Giants left fielder hit his firsttwo homers of the spring, one from each side of the plate, in an8-4 victory at Camelback Ranch. He opened the game with ano-doubter off left-hander Ted Lilly then, batting left-handed, ho- meredagainst Ramon Troncoso in the sixth. Both weresolos. "Melky, I don't care if it's spring training, it's impressive,"manager Bruce Bochy said. "Only a few guys can do that,or have done that, hit a home run from both sides.