Are the Giants defending a World Serieschampionship or a heavyweight title belt? It got confusing at times during the first half of the season,for all the hits they took and all the haymakers they've thrown inthe ninth inning. There was Buster Posey's year-ending shattered leg, FreddySanchez's debilitating shoulder injury and Pablo Sandoval's handfracture, which dimmed the lineup of his switch-hitting energy fora month.