The Los Angeles Dodgers seem like they have nearly unlimited amounts of money, three former MVPs in their starting lineup and a pitching staff that never runs out of overpowering arms. So far, that’s good for third place in their division. Welcome to the National League West, which has been far from a one-team show four weeks into the season. Going into Friday night’s games, the San Diego Padres, San Francisco Giants, Dodgers and Arizona Diamondbacks are all off to a good start, foreshadowing a potentially fascinating summer race.