The Pittsburgh Pirates have invested a lot of money into pitching prospects, especially through the MLB draft. They seem to have a very systematic way of moving guys through the system, with the innings at each level being a key trend to determine when a pitcher might move up. Ultimately, a player will only move up when he's ready from a developmental standpoint. If he has the innings, but isn't ready to move up, he probably won't move up. If he doesn't have the innings, the Pirates will probably wait until he gets to the low end of the normal range before a promotion, just to give enough time to see if the performance is legit.
There are going to be some questions this summer about the possible promotion of top prospects like Tyler Glasnow, Nick Kingham, Adrian Sampson and more. To get...
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