LOS ANGELES — Mookie Betts homered and drove in three runs, Will Smith also went deep and the Los Angeles Dodgers defeated the San Francisco Giants 7-2 on Tuesday night to force a decisive Game 5 in their NL Division Series. The 107-win Giants host the 106-win Dodgers on Thursday night, with the winner advancing to face Atlanta in the NL Championship Series. The Braves eliminated Milwaukee earlier Tuesday. San Francisco won the NL West by one game over the Dodgers in a historic race that went down to the final day of the regular season. Now, these storied rivals are set for a winner-take-all showdown. “I think it’s only fitting,” Los Angeles ace Walker Buehler said. The wild-card Dodgers managed just five hits during a 1-0 loss in Game 3 — the second time they were shut out in this series — to put the defending World Series champs on the brink of elimination. Los Angeles had that many by the second inning Tuesday and pounded out 12 in all to back a brief but effective outing fr...