Stetson Allie has been one of the best stories in the Pirates' minor league system this year. I get asked all the time why he's not a top 20 prospect yet, when he'll be moved up to Double-A, and even what he could become in the future. I'm generally hesitant to give high rankings to first basemen. I'm also hesitant to give high rankings to hitters based on low-A numbers, unless I see some really promising tools that suggest they can hit beyond that level and provide value elsewhere on the field (Gregory Polanco, for example). And if a guy is striking out a lot in A-ball, I'll be skeptical that he can maintain his hitting in the upper levels.

Those are three things that Allie has working against him. But they're also three theories/beliefs of mine that you could question if you don't see...

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