Shohei Ohtani led off the bottom of the ninth inning with a tying home run before Mookie Betts’ walk-off homer in the Los Angeles Dodgers’ 6-5 victory over the Colorado Rockies on Sunday. Ohtani went 4-for-5 with an RBI and two stolen bases to push his season homer-steal totals to 53-55, while San Diego Padres right-hander Yu Darvish became the first Japanese pitcher to reach the 2,000-strikeout milestone. At Dodger Stadium, the Rockies jumped out to a 3-0 lead in the first and made it 4-0 in the third against Yoshinobu Yamamoto, who gave up five hits and walked three in three innings of work….