2/13/2016 9:41:35 AM
Zachary Bierman (2019 LHP, Dubuque, IA) has a young lean build, plenty of room to fill out and get stronger, good balance, arm works well, topped at 78 with fastball with good riding life at plate. Has good feel for low 70's change up with good arm side run. Showed a developing curveball at 64.