Astros get rooked, lose again;Keppinger haunts old team in 10th inning;

Astros update Saturday: Giants 2, Astros 1. Record: 43-90. Today: AtSan Francisco, 3:05 p.m. Pitchers: Bud Norris (6-8) vs. Matt Cain(10-9). TV/radio: FSH; 740 AM, 1010 AM (Spanish). SAN FRANCISCO -Fans lined up around AT&T Park by the thousands more than fourhours before game time on Saturday. As if the chance to see the SanFrancisco Giants play the Astros weren't irresistible enough adraw, it was Tim Lincecum Bobble Head Night. The Astros can count their blessingsthat, by the grace of how the Giants' pitching rotation fell, abobble head is the only look at Lincecum they're getting thisseason.