Clayton Kershaw outpitched Jhoulys Chacin with 6 2-3 gritty innings to win his fourth straight start, Matt Kemp drove in two runs and the Los Angeles Dodgers beat the Colorado Rockies 3-2 on Tuesday night for their fourth consecutive victory. Kershaw (12-4) threw a career-high 125 pitches in his 105th big league start, allowing two runs and eight hits and striking out six.