Aug 22 - The San Francisco Giants completed athree-game sweep of the Los Angeles Dodgers with an 8-4 victoryon Wednesday to move further clear of their National League Westrivals going into the closing weeks of the regular season. The Giants (69-55) entered the series trailing the Dodgers(67-58) by half a game in the division but left Los Angelesriding high with a 2 1/2-game advantage. Matt Cain (13-5) controlled the series finale and theDodgers' offense, tossing seven innings and allowing just onerun to win his third straight start. ...