The Arizona Diamondbacks are in the midst of a stretch that most big-league clubs can only dream about, winners of six straight games, 20 of 25 since the All-Star break and 30 of 40 since late June. Certainly, that should be enough to take control of the NL West. The NL West is home to three of the hottest teams in baseball, including the Diamondbacks, San Diego Padres and Los Angeles Dodgers.