The obvious problem with all this is, the scout's "grade" is hugely dependent upon the player development system he's sending kids into. That's not to say it's an impossible evaluation to conduct, only that it's got a gigantic complicating factor that would have to be dealt with for the findings to be valuable. You would have to account for injuries as well. look at the Cubs '02 draft with Brownlie, Hagerty, Jones, Blasko, etc. But the larger tenure the scout has, the larger the sample and likely the more organizations has around him. If you have 10 years of data, you also have the other scouts to compare with within the organization as well as scouts in general. If the Cubs have Scout X who has been here for 7 years and Scout Y who has been here for 8 years and scout x has 6 guys in the majors and most doing well in the minors and scout y has 2 with many cut before AA, if both have had similar amount of signed players mixed in throughout the draft, it's an accurate assumption that scout X has been more successful and deserves a higher grade. What round were each scout's players taken in? Were they HS or college guys? What positions do they play? Etc. etc. In other words, if scout Y got two late-round HS pitchers to the bigleagues, that might be more impressive than Scout X getting 6 highly-drafted college kids there. Bottom line, you can't draw the conclusion you're suggesting with such limited information. Variables tend to even out over a period of time as far as picks, positions, and rds. selected.