SAN FRANCISCO (AP) — At the outset of play on July 4, the San Diego Padres were coming off a 2-4 trip through Cincinnati and Philadelphia and trailed the Los Angeles Dodgers by nine games in the National League West. On Friday night, the Padres and Dodgers open a three-game series at Los Angeles with San Diego atop the division. The Padres completed a three-game sweep of the host San Francisco Giants on Wednesday with an 11-1 romp that extended their winning streak to five games.