Yoshinobu Yamamoto won the final start of his major league rookie season and Japanese teammate Shohei Ohtani picked up his 58th stolen base in the Los Angeles Dodgers’ 13-2 rout of the Colorado Rockies on Saturday. The Dodgers have clinched the No. 1 seed in the National League and home-field advantage throughout the postseason after securing the highest winning percentage with their fourth consecutive victory. The Dodgers will play their last regular-season game Sunday against the Rockies. Yamamoto (7-2) allowed two runs and four hits in five innings for his first win since June 1. The right-…