Jesse Hahn left the game tonight in the top of the third with an apparent injury.
Hahn showed no signs of anything being wrong on pitch before he came out. Unclear what happened.
— Susan Slusser (@susanslusser) May 24, 2017
Hahn has had multiple arm injuries before, so the drop in velocity is particularly alarming.
Hahn was replaced by Bobby Wahl.
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This post will be updated as more details become available.