In exchange for Arizona ace Zack Greinke, Houston sent four prospects to the Diamondbacks. Three of them are high draft picks who are former ValleyCats: first baseman Seth Beer and pitchers J.B. Bukauskas and Corbin Martin.
Beer was the third-ranked player, Bukauskas No. 4 and Martin No. 5 in in Houston's minor-league system, according to mlb.com.