The Pittsburgh Pirates have already promoted three pitchers from the Double-A level to Triple-A this season. J.T. Brubaker, Brandon Waddell, and Mitch Keller are the trio. Due to the way he has pitched thus far for the Double-A Altoona Curve, lefty Taylor Hearn may be joining these three at Indianapolis at some point this season.
Hearn was acquired along with Felipe Vazquez in the Mark Melancon trade in July of 2016. In his first taste of Double-A ball Hearn, thus far, is passing the test with flying colors.