Andres Torres counts as a tidy barometer of the Giants and their much-scrutinizedoffense. He bats leadoff, after all, and he enjoyed a breakoutseason in 2010. He also lugged an unsightly .224 average intoFriday night's game at Petco Park. So Torres came to the ballpark early to work with hitting coachHensley Meulens. They tinkered with Torres' swing, making anadjustment in how he moves his hands - and the change paid instantdividends in San Francisco's 6-1 victory over the Padres.