Mookie Betts hit a two-run single in Los Angeles' three-run eighth inning, and the Dodgers beat the Miami Marlins 3-1 on Saturday in the opener of a split-doubleheader. The NL West-leading Dodgers bounced back nicely from an 11-3 loss on Friday night, improving to 16-2 in August. Ryan Yarbrough (6-5) pitched two perfect innings for the win, and Evan Phillips got three outs for his 19th save.