I saw Greinke last summer with Wichita and he pitched an absolute gem against Arkansas (Angels). He had an easy, fluid motion and was hitting spots with four different pitches. He has had some personal problems, but he can pitch. I'm betting most won't go for this trade, though I believe Greike has a higher ceiling.
I have a feeling the Royals might be willing to move the kid and let him start again with different people around. He and Pelland are about the same age, though I believe Greike was once a first round pick.