Of course not. I don't think it should be all or nothing in terms of total upside vs where they're at in their development. It's a balance, which is where the subjectivity of rankings comes into play. But to rank players based strictly on total upside, or strictly on how close they are to the NHL, is, quite frankly, pointless.
I assert that it does. You're talking about that transition as if it were automatic. But it's not. In reality, it's a hurdle that many prospects fail to get over. So when they do get over it, they are that much closer to being an NHLer, and therefor they are more valuable. And, in the end, that's what we're ranking, right? The value of a prospect? Even though we may all have different criteria.
This is why I have a problem basing rankings off criteria that not all prospects have been afforded. It should be an equal playing field. Just because a certain prospect is older than another and has had a chance to prove more does not make them more valuable.
Some players make the transition to pro and then fall flat after a couple years. It's not an exact science, just because a player had a couple good pro seasons doesn't mean that success will follow them for their entire career. So just as much as a junior prospect has to prove themselves in pro hockey...a young pro still has to prove they can do it consistently year after year.
Players are ranked by skill, upside, and value. Experience should be given the least consideration. What you see when you watch them (eyeball test), comparing comparable stats, assessing the trade value.
1. Mantha (top line, all-star potential)
2. Jurco (top line potential)
3. Mrazek (starting potential)
4. Sheahan (top 6 center potential)
5. Sproul (top 4, PP QB potential)
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10. Athanasiou (2nd-3rd line potential)
11. Janmark (2nd-3rd line potential)
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15. Callahan (3rd-4th line potential)
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etc