In a quirky National League West schedule backloaded with division play, two of the division's clubs will finally meet this weekend. The Dodgers and Diamondbacks will open a four-game series in Phoenix on Thursday, when Los Angeles right-hander Yoshinobu Yamamoto (4-2, 0.90 ERA) is set to oppose Arizona right-hander Brandon Pfaadt (5-2, 3.79).