Matt Cain pitched seven strong innings, Joaquin Arias homered and drove in a career-high five runs, and the San Francisco Giants beat the Los Angeles Dodgers 8-4 on Wednesday night to extend their NL West lead to 21/2 games with their first three-game sweep at Dodger Stadium in five years.
The Giants arrived in Los Angeles trailing the Dodgers by a half-game and they leave with their largest lead in a month. The Dodgers last got swept at home by the Giants April 24-26, 2007.
The Giants avenged a three-game sweep by the Dodgers in San Francisco last month that created a virtual tie atop the division. Now the Giants are ahead by their biggest margin since a 2 1/2-game lead on July 25.
Cain (13-5) allowed one run and seven hits, struck out five and walked none to win his third in a row.
Chris Capuano (11-9) gave up three runs in the first inning before settling down and retiring 13 straight batters. But he became unhinged to start the sixth, giving up three consecutive hits. An RBI...