Shohei Ohtani hit his National League-leading 44th homer and drove in two runs in the Los Angeles Dodgers’ 8-6 win over the Arizona Diamondbacks on Saturday. Tommy Edman broke a 6-6 tie with a two-run single in the top of the ninth inning as the Dodgers extended their NL West lead to six games by taking the first two of a four-game set against the second-place D-backs at Chase Field. Ohtani, Mookie Betts and Freddie Freeman hit consecutive homers for the Dodgers to lead off the game against Merrill Kelly. It is the fifth time this season that the Japanese slugger has homered leading off the fi…