Austin Barnes homered early, Kenley Jansen preserved the lead late and the Los Angeles Dodgers snapped a three-game losing streak with a 1-0 victory over the Colorado Rockies on Saturday night. Jansen had blown saves against the San Francisco on Wednesday and Thursday, but pitched a scoreless ninth for his 22nd save in 26 opportunities. The right-hander, who allowed a combined seven runs in one inning his past two outings, issued a two-out walk to Ryan McMahon but got C.J. Cron to chase an 0-2 slider to end the game.