World Series Game 4 update: Posey homer gives Giants 4-0 lead over Rangers in eighth inning
Buster Posey's first home run of the postseason widened the San Francisco Giants' lead to 4-0 over the Texas Rangers after eight innings at Rangers Ballpark in Arlington.
The Rangers would face a 3-1 deficit to the Giants in the best-of-seven-game series if they can't rally.
With Texas reliever Darren O'Day pitching, Posey hit a deep fly to center field that seemed to surprise Rangers center fielder Josh Hamilton as it kept carrying over his head and out of the stadium.
Texas batters continued to struggle against Giants starter Madison Bumgarner. Jeff Francoeur hit a long fly that San Francisco left fielder Cody Ross caught at the base of the wall, while Bengie Molina flied out and Mitch Moreland took a called third strike.
Bumgarner has given up only three hits through eight innings.