Throughout the year we've talked about the Rule 5 roster crunch that the Pittsburgh Pirates will face this off-season.  Some of that has been over-blown to the point where people suggest trading prospects like Starling Marte just because the Pirates might not have a spot to protect him.  Make no mistake, the Pirates aren't at risk of losing any significant prospects to the Rule 5 draft.  They currently have five spots open on the 40-man roster, and several candidates to remove if they need extra space.

What the Pirates could lose is another Nathan Adcock type prospect - someone who could serve as a back of the rotation starter or a strong bullpen arm one day in the majors.  That might not sound like a big deal, and might not sound like anything worthy of the term "roster crunch".  Maybe...

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