Oct 19 - The San Francisco Giants beat the St Louis Cardinals 5-0 on Friday to stave off elimination and extend the National League Championship Series (NLCS) to a sixth game back at their home ballpark. A four-run burst in the fourth inning gave Giants starter Barry Zito all the offense he needed. The left-hander kept the Cardinals off-balance with a pinpoint fastball, changeup and slow curve as the Giants narrowed the Cardinals' lead to 3-2 in the best-of-seven series. ...