We already ran down the top 100 prospects in baseball, so now it's time go deeper by division. Today, it's the National League West, starting with the Arizona Diamondbacks.

To jump to the other teams, click here: Rockies | Dodgers | Padres | Giants

Division overviews: NL East | NL Central | AL East | AL Central | AL West

Editor's note: Age is the player's age as of July 1, 2019. Players with experience in foreign major leagues such as Japan's Nippon Professional Baseball or South Korea's Korea Baseball Organization are ineligible for these rankings.