In the last few weeks the Pittsburgh Pirates have made a lot of prospect promotions. Gerrit Cole was promoted to the majors. Andrew Lambo and Stolmy Pimentel moved up to Triple-A. This week saw Nick Kingham and Gregory Polanco get promotions to Altoona. With half of the minor league season in the books, we should start seeing more and more moves.

I get asked "When will Player A be promoted?" all the time, and the truth is, I don't know. I'm not the one making the call. I've got a good idea in some cases, based on what the Pirates have done in the past. But promotions are made based on individual players, and what those players are working on. So even if I feel a guy has the numbers, and even if I've seen the Pirates promote a similar guy in the past, I still don't know for sure that the...

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