The Arizona Diamondbacks are on the verge of promoting first baseman/third baseman Kevin Cron from Triple-A. Cron is tearing the cover off the ball in Reno this season, hitting 21 home runs in 44 games, owning a slugging percentage of an even .800. In four years of full-season baseball, Cron has never hit fewer than 22 home runs. Triple-A numbers have been inflated a bit this year, but Crons history of power proves that this year is not a fluke. [...]