It was quite a year in the National League West — so good, in fact, that it sent three teams to the postseason to ultimately vie for one spot in the National League Championship Series. With the division-champ Los Angeles Dodgers waiting in the National League Division Series, the Arizona Diamondbacks and Colorado Rockies will play a do-or-die game Wednesday to see whose season lives on. The wild-card game gets a tad wilder when it's played between division foes.