I am always skeptical of guys like Kopeck with the absurd/sexy velocity. They seem to flame out more often than not, even considering pitcher attrition rate. Sure the fastball is huge, but is his stuff/command/feel that great? He walked 40 batters and gave up 42 hits in ~73 innings, that's allowing over 10 baserunners per 9 innings if my math is correct, pitching in rookie and A ball. In the AFL in 17 IP he's given up 13 hits, 1 HR, walked 7 and hit one batter as well.