Well, to me, it about balancing upside and downside and "probabilities" (which I put in quotes because it's not like I'm doing real risk analysis calculations here). I think it is probable (others can disagree with good reason I admit) that Gibson is a number 3 or better pitcher in the majors. I think it is possible Meyer and Stewart are number 1 types, but I think it about as probable that Meyer is a number 3 or 4 or RP. To me, the fact that Gibson has succeeded at a higher level is a big deal. BTW, I think Stewart is the top pitching prospect right now, because his ceiling is so high......again, it's a side of the napkin calculation for me. So, would I always say a guy that is likely to be in the majors is a better prospect than a higher upside, but riskier player? No. Sometimes the riskier guy is the better prospect. But I also think that some people in their lists underestimate the value of the guy that will definitely be in the majors. Look at Thielbar, for example. he's there, and successfull. I count that for a lot over a guy in low A that is currently a starter, but probably needs to be converted to a reliever. Those guys are very unklikely to make the majors, if you look at history and the numbers that don't make it. But Thielbar has made it, and to me, that's super valuable. others disagree, and I 'm not sure that is bad. If we all agreed, and all took the same approach to solving problems, our solutions would not be as good in the long run.